PREFERRED CREDIT ASSET BACKED CERTIFICATES SERIES 1997-1
8-K, 1999-04-01
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                          SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C.  20549


                                      FORM 8-K


                 Current Report Pursuant To Section 13 or 15(d) of the
                             Securities Exchange Act of 1934

          Date of Report (Date of earliest event reported):  April 27, 1998


Preferred Credit Corporation (as Seller under a Pooling and Servicing Agreement
dated as of March 1, 1997, providing for the issuance of the Preferred Credit
Asset-Backed Certificates, Series 1997-1.


               CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORP.
              (Exact name of Registrant as specified in its Charter)


                                     DELAWARE
                   (State or Other Jurisdiction of Incorporation)


              333-21329                                  13-3320910
              (Commission File Number)                  (I.R.S. Employer
                                                        Identification No.)


        11 MADISON AVENUE
        NEW YORK, NEW YORK                               10010-3629
        (Address of principal executive offices)        (Zip Code)


        Registrant's Telephone Number, Including Area Code:  (212) 325-2000


ITEM 5.     Other Events

Attached hereto are copies of the Monthly Remittance Statements to the
Certificateholders which were derived from the monthly information submitted
by the Master Servicer to the Trustee.


ITEM 7.     Financial Statement and Exhibits

Exhibits:   (as noted in Item 5 above)

Monthly Remittance Statement to the Certificateholders dated as of April
27, 1998.

Monthly Remittance Statement to the Certificateholders dated as of May 26,
1998.

Monthly Remittance Statement to the Certificateholders dated as of June 25,
1998.

Monthly Remittance Statement to the Certificateholders dated as of July 27,
1998.

Monthly Remittance Statement to the Certificateholders dated as of August
25, 1998.

Monthly Remittance Statement to the Certificateholders dated as of September
25, 1998.

Monthly Remittance Statement to the Certificateholders dated as of October
26, 1998.

Monthly Remittance Statement to the Certificateholders dated as of November
25, 1998.

Monthly Remittance Statement to the Certificateholders dated as of December
28, 1998.

Monthly Remittance Statement to the Certificateholders dated as of January
25, 1999.


                                   SIGNATURE


Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned, hereunto duly authorized.


                                  Bankers Trust Company, not in its individual
                                  capacity, but solely as a duly authorized
                                  agent of the Registrant pursuant to the
                                  Pooling and Servicing Agreement dated March
                                  1, 1997.


Date:  January 29, 1999           By:  /s/ Judy L. Gomez
                                  Judy L. Gomez
                                  Assistant Vice President


                                   EXHIBIT INDEX

 
          Document 

Monthly Remittance Statement to the Certificateholders dated as of April
27, 1998.

Monthly Remittance Statement to the Certificateholders dated as of May 26,
1998.

Monthly Remittance Statement to the Certificateholders dated as of June 25,
1998.

Monthly Remittance Statement to the Certificateholders dated as of July 27,
1998.

Monthly Remittance Statement to the Certificateholders dated as of August
25, 1998.

Monthly Remittance Statement to the Certificateholders dated as of September
25, 1998.

Monthly Remittance Statement to the Certificateholders dated as of October
26, 1998.

Monthly Remittance Statement to the Certificateholders dated as of November
25, 1998.

Monthly Remittance Statement to the Certificateholders dated as of December
28, 1998.

Monthly Remittance Statement to the Certificateholders dated as of January
25, 1999.





CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Lower-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          LT-1     478,000.00     175,096.23       1,894.13      41,340.78
> 43,234.91           0.00           0.00     133,755.45
          LT-2     295,000.00     295,000.00       3,191.20           0.00
>  3,191.20           0.00           0.00     295,000.00
          LT-3     232,000.00     232,000.00       2,509.69           0.00
>  2,509.69           0.00           0.00     232,000.00
          LT-4     506,000.00     506,000.00       5,473.73           0.00
>  5,473.73           0.00           0.00     506,000.00
          LT-5     115,000.00     115,000.00       1,244.03           0.00
>  1,244.03           0.00           0.00     115,000.00
          LT-6     374,000.00     374,000.00       4,045.80           0.00
>  4,045.80           0.00           0.00     374,000.00
          LT-A 155,816,106.79 180,522,358.74   1,895,560.24   3,144,612.24   5,
>040,172.48     838,250.14           0.00 176,539,496.36
          LT-M   1,179,920.55   1,987,033.52      12,242.12      32,087.88
> 44,330.00      17,107.15       9,252.90   1,947,091.39
          RL             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         158,996,027.34 184,206,488.49   1,926,160.94   3,218,040.90   5,
>144,201.84     855,357.29       9,252.90 180,142,343.20

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          LT-1                    366.310105       3.962615      86.486987
> 90.449603     279.823117      12.981171%     12.980156%
          LT-2                  1,000.000000      10.817627       0.000000
> 10.817627   1,000.000000      12.981171%     12.980156%
          LT-3                  1,000.000000      10.817629       0.000000
> 10.817629   1,000.000000      12.981171%     12.980156%
          LT-4                  1,000.000000      10.817648       0.000000
> 10.817648   1,000.000000      12.981171%     12.980156%
          LT-5                  1,000.000000      10.817652       0.000000
> 10.817652   1,000.000000      12.981171%     12.980156%
          LT-6                  1,000.000000      10.817647       0.000000
> 10.817647   1,000.000000      12.981171%     12.980156%
          LT-A                  1,158.560321      12.165368      20.181561
> 32.346929   1,132.999020      12.981171%     12.980156%
          LT-M                  1,684.040099      10.375377      27.194950
> 37.570326   1,650.188557      12.981171%     12.980156%
          RL                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
 RECORD DATE:                 March 31, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:            April 27, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 1
>                            (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Upper-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          A-1   47,800,000.00  17,509,625.29      90,466.40   4,134,078.32   4,
>224,544.72           0.00           0.00  13,375,546.97
          A-2   29,500,000.00  29,500,000.00     164,954.17           0.00
>164,954.17           0.00           0.00  29,500,000.00
          A-3   23,200,000.00  23,200,000.00     133,593.33           0.00
>133,593.33           0.00           0.00  23,200,000.00
          A-4   50,600,000.00  50,600,000.00     301,491.67           0.00
>301,491.67           0.00           0.00  50,600,000.00
          A-5   11,500,000.00  11,500,000.00      70,820.83           0.00
> 70,820.83           0.00           0.00  11,500,000.00
          A-6   37,400,000.00  37,400,000.00     236,555.00           0.00
>236,555.00           0.00           0.00  37,400,000.00
          B      4,769,880.27  18,304,474.52           0.00           0.00
>      0.00           0.00     925,290.32  19,229,764.84
          RU             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         204,769,880.27 188,014,099.81     997,881.40   4,134,078.32   5,
>131,959.72           0.00     925,290.32 184,805,311.81

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          A-1  126342GH1          366.310153       1.892603      86.486994
> 88.379597     279.823158       6.200000%      6.200000%
          A-2  126342GJ7        1,000.000000       5.591667       0.000000
>  5.591667   1,000.000000       6.710000%      6.710000%
          A-3  126342GK4        1,000.000000       5.758333       0.000000
>  5.758333   1,000.000000       6.910000%      6.910000%
          A-4  126342GL2        1,000.000000       5.958333       0.000000
>  5.958333   1,000.000000       7.150000%      7.150000%
          A-5  126342GM0        1,000.000000       6.158333       0.000000
>  6.158333   1,000.000000       7.390000%      7.390000%
          A-6  126342GN8        1,000.000000       6.325000       0.000000
>  6.325000   1,000.000000       7.590000%      7.590000%
          B                     3,837.512366       0.000000       0.000000
>  0.000000   4,031.498434       0.000000%      0.000000%
          RU                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
RECORD DATE:                  March 31, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:            April 27, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 3
>                            (c) COPYRIGHT 1998 Bankers Trust Company

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders



>                                                        Distribution Date:
>  April 27, 1998


>                                                        DELINQUENT LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                        N/A   2,303,520.871,147,352.541,862,414.525,313,287.93
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                      N/A        1.2787%     0.6369%     1.0339%    2.9495%
>

>                                                        NUMBER OF LOANS
>                         N/A            70          34          53        157
>

>                                                        PERCENTAGE OF LOANS
>                        N/A        1.3653%     0.6632%     1.0337%    3.0622%
>


>                                                        BANKRUPTCY LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                    1,629,692. 184,583.42  516,180.09  984,948.95 3,315,404.53
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.9047%     0.1025%     0.2865%     0.5468%    1.8404%
>

>                                                        NUMBER OF LOANS
>                             47           6          14          28         95
>

>                                                        PERCENTAGE OF LOANS
>                        0.9167%     0.1170%     0.2731%     0.5461%    1.8529%
>


>                                                        FORECLOSURE LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00        0.00       0.00
>

>                                                        PERCENTAGE OF POOL BALA
>NCE                      0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>

>                                                        NUMBER OF LOANS
>                              0           0           0           0          0
>

>                                                        PERCENTAGE OF LOANS
>                         0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>


>                                                        REO PROPERTY
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00        0.00       0.00
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>

>                                                        NUMBER OF LOANS
>                              0           0           0           0          0
>

>                                                        PERCENTAGE OF LOANS
>                        0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>


>                                                        BOOK VALUE OF LOANS IN
>REO:                                                                      0.00
>


>                                                        ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY:                            (SEE ATTACHED, IF ANY)
>


>                                                       WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE:                                                   13.942671%
>


>                                                       WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE:                                               12.981171%
>


>                                                       WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY:                                                      167
>


>                                                       PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL:                                            5,230
>

>                                                       NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL:                                              0
>

>                                                       CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL:                                          5,127
>


>                                                       PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS:                              184,206,488.49
>


>                                                       SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE:                                       0.00
>


>                                                       CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS:                            180,142,343.20
>
>
>                          Page 2 of 3                     (c) COPYRIGHT 1998 B
>

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders

>                                                        Distribution Date:
>  April 27, 1998

>                                                       PRINCIPAL REMITTANCE AM
>OUNTS:

>                                                                      SCHEDULE
>D PRINCIPAL:                                                        372,336.03
>

>                                                                      CURTAILM
>ENTS:                                                               151,231.05
>

>                                                                      PREPAYME
>NTS IN FULL:                                                      2,684,439.92
>

>                                                                      NET LIQU
>IDATION PROCEEDS:                                                       781.00
>

>                                                                      INSURANC
>E PRINCIPAL PROCEEDS:                                                     0.00
>

>                                                                      RELEASED
> MORTGAGED PROPERTY PROCEEDS:                                             0.00
>

>                                                                      REPURCHA
>SED PRINCIPAL AMOUNTS:                                                    0.00
>

>                                                                      OVERCOLL
>ATERALIZATION INCREASE AMOUNT:                                      925,290.32
>

>                                                                      SUBSTITU
>TION ADJUSTMENTS:                                                         0.00
>

>                                                                      PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL:                                      0.00
>


>                                                       TOTAL PRINCIPAL DISTRIB
>UTED:                                                             4,134,078.32
>
>                                                       INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS:                  0.00
>


>                                                       REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION:                       0.00
>


>                                                       REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE:               19,200,000.00
>


>                                                       OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE:                     14,566,796.23
>


>                                                        TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE:             0.00
>


>                                                       CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD:                                 855,357.29
>


>                                                       CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE:                                              4,662,968.61
>


>                                                       REMAINING PRE-FUNDED AM
>OUNT:                                                                     0.00
>
>
>                          Page 3 of 3                     (c) COPYRIGHT 1998 B
>

ankers Trust Company

ankers Trust Company






CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Lower-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          LT-1     478,000.00     133,755.45       1,446.81      38,722.17
> 40,168.98           0.00           0.00      95,033.28
          LT-2     295,000.00     295,000.00       3,190.96           0.00
>  3,190.96           0.00           0.00     295,000.00
          LT-3     232,000.00     232,000.00       2,509.50           0.00
>  2,509.50           0.00           0.00     232,000.00
          LT-4     506,000.00     506,000.00       5,473.30           0.00
>  5,473.30           0.00           0.00     506,000.00
          LT-5     115,000.00     115,000.00       1,243.93           0.00
>  1,243.93           0.00           0.00     115,000.00
          LT-6     374,000.00     374,000.00       4,045.48           0.00
>  4,045.48           0.00           0.00     374,000.00
          LT-A 155,816,106.79 176,539,496.36   1,846,804.14   2,915,552.24   4,
>762,356.38     980,034.81           0.00 172,643,909.31
          LT-M   1,179,920.55   1,947,091.39      12,089.65      29,750.53
> 41,840.18      20,000.71       8,971.64   1,906,311.79
          RL             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         158,996,027.34 180,142,343.20   1,876,803.77   2,984,024.94   4,
>860,828.71   1,000,035.52       8,971.64 176,167,254.38

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          LT-1                    279.823117       3.026799      81.008724
> 84.035523     198.814393      12.980156%     12.977759%
          LT-2                  1,000.000000      10.816814       0.000000
> 10.816814   1,000.000000      12.980156%     12.977759%
          LT-3                  1,000.000000      10.816810       0.000000
> 10.816810   1,000.000000      12.980156%     12.977759%
          LT-4                  1,000.000000      10.816798       0.000000
> 10.816798   1,000.000000      12.980156%     12.977759%
          LT-5                  1,000.000000      10.816783       0.000000
> 10.816783   1,000.000000      12.980156%     12.977759%
          LT-6                  1,000.000000      10.816791       0.000000
> 10.816791   1,000.000000      12.980156%     12.977759%
          LT-A                  1,132.999020      11.852460      18.711495
> 30.563954   1,107.997837      12.980156%     12.977759%
          LT-M                  1,650.188557      10.246156      25.214011
> 35.460167   1,615.627247      12.980156%     12.977759%
          RL                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
 RECORD DATE:                 April 30, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:             May 26, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 1
>                            (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Upper-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          A-1   47,800,000.00  13,375,546.97      69,106.99   3,872,217.07   3,
>941,324.06           0.00           0.00   9,503,329.90
          A-2   29,500,000.00  29,500,000.00     164,954.17           0.00
>164,954.17           0.00           0.00  29,500,000.00
          A-3   23,200,000.00  23,200,000.00     133,593.33           0.00
>133,593.33           0.00           0.00  23,200,000.00
          A-4   50,600,000.00  50,600,000.00     301,491.67           0.00
>301,491.67           0.00           0.00  50,600,000.00
          A-5   11,500,000.00  11,500,000.00      70,820.83           0.00
> 70,820.83           0.00           0.00  11,500,000.00
          A-6   37,400,000.00  37,400,000.00     236,555.00           0.00
>236,555.00           0.00           0.00  37,400,000.00
          B      4,769,880.27  19,229,764.84           0.00           0.00
>      0.00           0.00     897,163.77  20,126,928.61
          RU             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         204,769,880.27 184,805,311.81     976,521.99   3,872,217.07   4,
>848,739.06           0.00     897,163.77 181,830,258.51

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          A-1  126342GH1          279.823158       1.445753      81.008725
> 82.454478     198.814433       6.200000%      6.200000%
          A-2  126342GJ7        1,000.000000       5.591667       0.000000
>  5.591667   1,000.000000       6.710000%      6.710000%
          A-3  126342GK4        1,000.000000       5.758333       0.000000
>  5.758333   1,000.000000       6.910000%      6.910000%
          A-4  126342GL2        1,000.000000       5.958333       0.000000
>  5.958333   1,000.000000       7.150000%      7.150000%
          A-5  126342GM0        1,000.000000       6.158333       0.000000
>  6.158333   1,000.000000       7.390000%      7.390000%
          A-6  126342GN8        1,000.000000       6.325000       0.000000
>  6.325000   1,000.000000       7.590000%      7.590000%
          B                     4,031.498434       0.000000       0.000000
>  0.000000   4,219.587803       0.000000%      0.000000%
          RU                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
RECORD DATE:                  April 30, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:             May 26, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 3
>                            (c) COPYRIGHT 1998 Bankers Trust Company

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders



>                                                        Distribution Date:
>  May 26, 1998


>                                                        DELINQUENT LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                        N/A   1,876,829.84 854,827.25 1,818,996.254,550,653.34
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                      N/A        1.0654%     0.4852%     1.0325%    2.5831%
>

>                                                        NUMBER OF LOANS
>                         N/A            57          26          54        137
>

>                                                        PERCENTAGE OF LOANS
>                         N/A        1.1346%     0.5175%     1.0748%    2.7269%
>


>                                                        BANKRUPTCY LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                    1,704,745. 469,430.05  460,134.87 1,509,257.004,143,567.54
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.9677%     0.2665%     0.2612%     0.8567%    2.3521%
>

>                                                        NUMBER OF LOANS
>                             47          15          13          41        116
>

>                                                        PERCENTAGE OF LOANS
>                        0.9355%     0.2986%     0.2588%     0.8161%    2.3089%
>


>                                                        FORECLOSURE LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00        0.00       0.00
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>

>                                                        NUMBER OF LOANS
>                              0           0           0           0          0
>

>                                                        PERCENTAGE OF LOANS
>                        0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>


>                                                        REO PROPERTY
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00        0.00       0.00
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>

>                                                        NUMBER OF LOANS
>                              0           0           0           0          0
>

>                                                        PERCENTAGE OF LOANS
>                        0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>


>                                                        BOOK VALUE OF LOANS IN
>REO:                                                                      0.00
>


>                                                        ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY:                                       (SEE ATTACH
>


>                                                       WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE:                                                   13.941656%
>


>                                                       WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE:                                               12.980156%
>


>                                                       WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY:                                                      166
>


>                                                       PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL:                                            5,127
>

>                                                       NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL:                                              0
>

>                                                       CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL:                                          5,024
>


>                                                       PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS:                              180,142,343.20
>


>                                                       SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE:                                       0.00
>


>                                                       CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS:                             176,167,254.38
>

>
>                          Page 2 of 3                     (c) COPYRIGHT 1998 B
>

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders

>                                                        Distribution Date:
>  May 26, 1998


>                                                       PRINCIPAL REMITTANCE AM
>OUNTS:


>                                                                      SCHEDULE
>D PRINCIPAL:                                                        346,443.74
>

>                                                                      CURTAILM
>ENTS:                                                                66,833.33
>

>                                                                      PREPAYME
>NTS IN FULL:                                                       2,616,777.0
>

>                                                                      NET LIQU
>IDATION PROCEEDS:                                                  (55,000.82)
>

>                                                                      INSURANC
>E PRINCIPAL PROCEEDS:                                                    0.00
>

>                                                                      RELEASED
> MORTGAGED PROPERTY PROCEEDS:                                            0.00
>

>                                                                      REPURCHA
>SED PRINCIPAL AMOUNTS:                                                    0.00
>

>                                                                      OVERCOLL
>ATERALIZATION INCREASE AMOUNT:                                      897,163.77
>

>                                                                      SUBSTITU
>TION ADJUSTMENTS:                                                         0.00
>

>                                                                      PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL:                                      0.00
>


>                                                       TOTAL PRINCIPAL DISTRIB
>UTED:                                                             3,872,217.07
>



>                                                       INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS:                  0.00
>


>                                                       REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION:                       0.00
>


>                                                       REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE:                23,000,000.00
>


>                                                       OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE:                      14,463,924.48
>


>                                                        TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE:             0.00
>


>                                                       CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD:                               1,000,035.52
>


>                                                       CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE:                                              5,663,004.13
>


>                                                       REMAINING PRE-FUNDED AM
>OUNT:                                                                     0.00
>
>
>                          Page 3 of 3                     (c) COPYRIGHT 1998 B
>

ED, IF ANY)

ankers Trust Company

ankers Trust Company






CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Lower-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          LT-1     478,000.00      95,033.28       1,027.77      39,140.33
> 40,168.10           0.00           0.00      55,892.95
          LT-2     295,000.00     295,000.00       3,190.37           0.00
>  3,190.37           0.00           0.00     295,000.00
          LT-3     232,000.00     232,000.00       2,509.03           0.00
>  2,509.03           0.00           0.00     232,000.00
          LT-4     506,000.00     506,000.00       5,472.29           0.00
>  5,472.29           0.00           0.00     506,000.00
          LT-5     115,000.00     115,000.00       1,243.70           0.00
>  1,243.70           0.00           0.00     115,000.00
          LT-6     374,000.00     374,000.00       4,044.73           0.00
>  4,044.73           0.00           0.00     374,000.00
          LT-A 155,816,106.79 172,643,909.31   1,803,366.22   2,980,144.64   4,
>783,510.86     895,543.62           0.00 168,768,221.05
          LT-M   1,179,920.55   1,906,311.79      11,885.69      30,409.64
> 42,295.33      18,276.40       8,730.69   1,866,356.44
          RL             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         158,996,027.34 176,167,254.38   1,832,739.80   3,049,694.61   4,
>882,434.41     913,820.02       8,730.69 172,212,470.44

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          LT-1                    198.814393       2.150146      81.883536
> 84.033682     116.930858      12.977759%     12.977422%
          LT-2                  1,000.000000      10.814814       0.000000
> 10.814814   1,000.000000      12.977759%     12.977422%
          LT-3                  1,000.000000      10.814784       0.000000
> 10.814784   1,000.000000      12.977759%     12.977422%
          LT-4                  1,000.000000      10.814802       0.000000
> 10.814802   1,000.000000      12.977759%     12.977422%
          LT-5                  1,000.000000      10.814783       0.000000
> 10.814783   1,000.000000      12.977759%     12.977422%
          LT-6                  1,000.000000      10.814786       0.000000
> 10.814786   1,000.000000      12.977759%     12.977422%
          LT-A                  1,107.997837      11.573683      19.126037
> 30.699720   1,083.124361      12.977759%     12.977422%
          LT-M                  1,615.627247      10.073297      25.772617
> 35.845914   1,581.764501      12.977759%     12.977422%
          RL                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
 RECORD DATE:                  May 29, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:             June 25, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 1
>                            (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Upper-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          A-1   47,800,000.00   9,503,329.90      49,100.54   3,914,033.18   3,
>963,133.72           0.00           0.00   5,589,296.72
          A-2   29,500,000.00  29,500,000.00     164,954.17           0.00
>164,954.17           0.00           0.00  29,500,000.00
          A-3   23,200,000.00  23,200,000.00     133,593.33           0.00
>133,593.33           0.00           0.00  23,200,000.00
          A-4   50,600,000.00  50,600,000.00     301,491.67           0.00
>301,491.67           0.00           0.00  50,600,000.00
          A-5   11,500,000.00  11,500,000.00      70,820.83           0.00
> 70,820.83           0.00           0.00  11,500,000.00
          A-6   37,400,000.00  37,400,000.00     236,555.00           0.00
>236,555.00           0.00           0.00  37,400,000.00
          B      4,769,880.27  20,126,928.61           0.00           0.00
>      0.00           0.00     873,069.26  20,999,997.87
          RU             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         204,769,880.27 181,830,258.51     956,515.54   3,914,033.18   4,
>870,548.72           0.00     873,069.26 178,789,294.59

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          A-1  126342GH1          198.814433       1.027208      81.883539
> 82.910747     116.930894       6.200000%      6.200000%
          A-2  126342GJ7        1,000.000000       5.591667       0.000000
>  5.591667   1,000.000000       6.710000%      6.710000%
          A-3  126342GK4        1,000.000000       5.758333       0.000000
>  5.758333   1,000.000000       6.910000%      6.910000%
          A-4  126342GL2        1,000.000000       5.958333       0.000000
>  5.958333   1,000.000000       7.150000%      7.150000%
          A-5  126342GM0        1,000.000000       6.158333       0.000000
>  6.158333   1,000.000000       7.390000%      7.390000%
          A-6  126342GN8        1,000.000000       6.325000       0.000000
>  6.325000   1,000.000000       7.590000%      7.590000%
          B                     4,219.587803       0.000000       0.000000
>  0.000000   4,402.625785       0.000000%      0.000000%
          RU                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
RECORD DATE:                   May 29, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:             June 25, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 3
>                            (c) COPYRIGHT 1998 Bankers Trust Company

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders



>                                                        Distribution Date:
>  June 25, 1998


>                                                        DELINQUENT LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                        N/A   1,837,504.541,097,033.871,534,353.184,468,891.59
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                      N/A        1.0670%     0.6370%     0.8910%    2.5950%
>

>                                                        NUMBER OF LOANS
>                         N/A            61          33          46        140
>

>                                                        PERCENTAGE OF LOANS
>                         N/A        1.2398%     0.6707%     0.9350%    2.8455%
>


>                                                        BANKRUPTCY LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                    1,805,000. 338,001.79  547,070.34 1,781,125.994,471,199.06
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     1.0481%     0.1963%     0.3177%     1.0343%    2.5963%
>

>                                                        NUMBER OF LOANS
>                             52          10          18          47        127
>

>                                                        PERCENTAGE OF LOANS
>                        1.0569%     0.2033%     0.3659%     0.9553%    2.5813%
>


>                                                        FORECLOSURE LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00        0.00       0.00
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>

>                                                        NUMBER OF LOANS
>                              0           0           0           0          0
>

>                                                        PERCENTAGE OF LOANS
>                        0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>


>                                                        REO PROPERTY
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00        0.00       0.00
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>

>                                                        NUMBER OF LOANS
>                              0           0           0           0          0
>

>                                                        PERCENTAGE OF LOANS
>                        0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>


>                                                        BOOK VALUE OF LOANS IN
>REO:                                                                      0.00
>


>                                                        ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY:                                       (SEE ATTACH
>


>                                                       WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE:                                                   13.939259%
>


>                                                       WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE:                                               12.977759%
>


>                                                       WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY:                                                      165
>


>                                                       PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL:                                            5,024
>

>                                                       NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL:                                              0
>

>                                                       CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL:                                          4,920
>


>                                                       PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS:                               176,167,254.38
>


>                                                       SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE:                                       0.00
>


>                                                       CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS:                             172,212,470.44
>



>
>                          Page 2 of 3                     (c) COPYRIGHT 1998 B
>

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders



>                                                        Distribution Date:
>  June 25, 1998


>                                                       PRINCIPAL REMITTANCE AM
>OUNTS:


>                                                                      SCHEDULE
>D PRINCIPAL:                                                        343,283.46
>

>                                                                      CURTAILM
>ENTS:                                                               101,599.32
>

>                                                                      PREPAYME
>NTS IN FULL:                                                      2,650,580.02
>

>                                                                      NET LIQU
>IDATION PROCEEDS:                                                  (54,498.88)
>

>                                                                      INSURANC
>E PRINCIPAL PROCEEDS:                                                     0.00
>

>                                                                      RELEASED
> MORTGAGED PROPERTY PROCEEDS:                                             0.00
>

>                                                                      REPURCHA
>SED PRINCIPAL AMOUNTS:                                                    0.00
>

>                                                                      OVERCOLL
>ATERALIZATION INCREASE AMOUNT:                                      873,069.26
>

>                                                                      SUBSTITU
>TION ADJUSTMENTS:                                                         0.00
>

>                                                                      PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL:                                      0.00
>


>                                                       TOTAL PRINCIPAL DISTRIB
>UTED:                                                             3,914,033.18
>



>                                                       INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS:                  0.00
>


>                                                       REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION:                       0.00
>


>                                                       REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE:                 23,000,000.00
>


>                                                       OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE:                       14,423,173.72
>


>                                                        TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE:             0.00
>


>                                                       CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD:                                 913,820.02
>


>                                                       CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE:                                              6,576,824.15
>


>                                                       REMAINING PRE-FUNDED AM
>OUNT:                                                                     0.00
>
>
>                          Page 3 of 3                     (c) COPYRIGHT 1998 B
>

ED, IF ANY)

ankers Trust Company

ankers Trust Company






CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Lower-Tier REMIC
Statement  To  Certificateholders - REVISED

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          LT-1     478,000.00      55,892.95         604.46      39,435.58
> 40,040.04           0.00           0.00      16,457.37
          LT-2     295,000.00     295,000.00       3,190.28           0.00
>  3,190.28           0.00           0.00     295,000.00
          LT-3     232,000.00     232,000.00       2,508.97           0.00
>  2,508.97           0.00           0.00     232,000.00
          LT-4     506,000.00     506,000.00       5,472.15           0.00
>  5,472.15           0.00           0.00     506,000.00
          LT-5     115,000.00     115,000.00       1,243.67           0.00
>  1,243.67           0.00           0.00     115,000.00
          LT-6     374,000.00     374,000.00       4,044.63           0.00
>  4,044.63           0.00           0.00     374,000.00
          LT-A 155,816,106.79 168,768,221.05   1,774,324.15   3,018,228.64   4,
>792,552.79     715,029.81           0.00 165,034,962.60
          LT-M   1,179,920.55   1,866,356.44      11,546.42      30,798.25
> 42,344.67      14,592.45       8,637.33   1,829,603.07
          RL             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         158,996,027.34 172,212,470.44   1,802,934.73   3,088,462.47   4,
>891,397.20     729,622.26       8,637.33 168,403,023.04

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          LT-1                    116.930858       1.264561      82.501213
> 83.765774      34.429644      12.977422%     12.978526%
          LT-2                  1,000.000000      10.814508       0.000000
> 10.814508   1,000.000000      12.977422%     12.978526%
          LT-3                  1,000.000000      10.814526       0.000000
> 10.814526   1,000.000000      12.977422%     12.978526%
          LT-4                  1,000.000000      10.814526       0.000000
> 10.814526   1,000.000000      12.977422%     12.978526%
          LT-5                  1,000.000000      10.814522       0.000000
> 10.814522   1,000.000000      12.977422%     12.978526%
          LT-6                  1,000.000000      10.814519       0.000000
> 10.814519   1,000.000000      12.977422%     12.978526%
          LT-A                  1,083.124361      11.387296      19.370453
> 30.757750   1,059.164973      12.977422%     12.978526%
          LT-M                  1,581.764501       9.785761      26.101969
> 35.887730   1,550.615480      12.977422%     12.978526%
          RL                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
 RECORD DATE:                  June 30, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:             July 27, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 1
>                            (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Upper-Tier REMIC
Statement  To  Certificateholders - REVISED

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          A-1   47,800,000.00   5,589,296.72      28,878.03   3,943,557.75   3,
>972,435.78           0.00           0.00   1,645,738.97
          A-2   29,500,000.00  29,500,000.00     164,954.17           0.00
>164,954.17           0.00           0.00  29,500,000.00
          A-3   23,200,000.00  23,200,000.00     133,593.33           0.00
>133,593.33           0.00           0.00  23,200,000.00
          A-4   50,600,000.00  50,600,000.00     301,491.67           0.00
>301,491.67           0.00           0.00  50,600,000.00
          A-5   11,500,000.00  11,500,000.00      70,820.83           0.00
> 70,820.83           0.00           0.00  11,500,000.00
          A-6   37,400,000.00  37,400,000.00     236,555.00           0.00
>236,555.00           0.00           0.00  37,400,000.00
          B      4,769,880.27  20,999,997.87           0.00           0.00
>      0.00           0.00     863,732.61  21,863,730.48
          RU             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         204,769,880.27 178,789,294.59     936,293.03   3,943,557.75   4,
>879,850.78           0.00     863,732.61 175,709,469.45

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          A-1  126342GH1          116.930894       0.604143      82.501208
> 83.105351      34.429686       6.200000%      6.200000%
          A-2  126342GJ7        1,000.000000       5.591667       0.000000
>  5.591667   1,000.000000       6.710000%      6.710000%
          A-3  126342GK4        1,000.000000       5.758333       0.000000
>  5.758333   1,000.000000       6.910000%      6.910000%
          A-4  126342GL2        1,000.000000       5.958333       0.000000
>  5.958333   1,000.000000       7.150000%      7.150000%
          A-5  126342GM0        1,000.000000       6.158333       0.000000
>  6.158333   1,000.000000       7.390000%      7.390000%
          A-6  126342GN8        1,000.000000       6.325000       0.000000
>  6.325000   1,000.000000       7.590000%      7.590000%
          B                     4,402.625785       0.000000       0.000000
>  0.000000   4,583.706350       0.000000%      0.000000%
          RU                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
RECORD DATE:                   June 30, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:             July 27, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 3
>                            (c) COPYRIGHT 1998 Bankers Trust Company

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders - REVISED



>                                                        Distribution Date:
>  July 27, 1998


>                                                        DELINQUENT LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                        N/A   1,907,127.091,005,302.371,543,509.144,455,938.60
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                      N/A        1.1325%     0.5970%     0.9166%    2.6460%
>

>                                                        NUMBER OF LOANS
>                         N/A            58          32          46        136
>

>                                                        PERCENTAGE OF LOANS
>                         N/A        1.2038%     0.6642%     0.9548%    2.8227%
>


>                                                        BANKRUPTCY LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                    1,759,258. 376,609.60  242,867.06 2,241,831.964,620,567.45
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     1.0447%     0.2236%     0.1442%     1.3312%    2.7438%
>

>                                                        NUMBER OF LOANS
>                             50          12           7          63        132
>

>                                                        PERCENTAGE OF LOANS
>                        1.0378%     0.2491%     0.1453%     1.3076%    2.7397%
>


>                                                        FORECLOSURE LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00        0.00       0.00
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>

>                                                        NUMBER OF LOANS
>                              0           0           0           0          0
>

>                                                        PERCENTAGE OF LOANS
>                        0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>


>                                                        REO PROPERTY
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00        0.00       0.00
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>

>                                                        NUMBER OF LOANS
>                              0           0           0           0          0
>

>                                                        PERCENTAGE OF LOANS
>                        0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>


>                                                        BOOK VALUE OF LOANS IN
>REO:                                                                      0.00
>


>                                                        ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY:                            (SEE ATTACHED, IF ANY)
>


>                                                       WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE:                                                   13.938922%
>


>                                                       WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE:                                               12.977422%
>


>                                                       WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY:                                                      164
>


>                                                       PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL:                                            4,920
>

>                                                       NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL:                                              0
>

>                                                       CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL:                                          4,818
>


>                                                       PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS:                              172,212,470.44
>


>                                                       SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE:                                       0.00
>


>                                                       CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS:                             168,403,023.04
>



>
>                          Page 2 of 3                     (c) COPYRIGHT 1998 B
>

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders - REVISED



>                                                        Distribution Date:
>  July 27, 1998


>                                                       PRINCIPAL REMITTANCE AM
>OUNTS:


>                                                                      SCHEDULE
>D PRINCIPAL:                                                        338,588.32
>

>                                                                      CURTAILM
>ENTS:                                                                59,221.79
>

>                                                                      PREPAYME
>NTS IN FULL:                                                      2,616,531.47
>

>                                                                      NET LIQU
>IDATION PROCEEDS:                                                    65,483.56
>

>                                                                      INSURANC
>E PRINCIPAL PROCEEDS:                                                     0.00
>

>                                                                      RELEASED
> MORTGAGED PROPERTY PROCEEDS:                                             0.00
>

>                                                                      REPURCHA
>SED PRINCIPAL AMOUNTS:                                                    0.00
>

>                                                                      OVERCOLL
>ATERALIZATION INCREASE AMOUNT:                                      863,732.61
>

>                                                                      SUBSTITU
>TION ADJUSTMENTS:                                                         0.00
>

>                                                                      PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL:                                      0.00
>


>                                                       TOTAL PRINCIPAL DISTRIB
>UTED:                                                             3,943,557.75
>



>                                                       INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS:                  0.00
>


>                                                       REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION:                       0.00
>


>                                                       REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE:               23,000,000.00
>


>                                                       OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE:                    14,557,284.07
>


>                                                        TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE:             0.00
>


>                                                       CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD:                                 729,622.26
>


>                                                       CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE:                                              7,306,446.41
>


>                                                       REMAINING PRE-FUNDED AM
>OUNT:                                                                     0.00
>
>
>                          Page 3 of 3                     (c) COPYRIGHT 1998 B
>

ankers Trust Company

ankers Trust Company






CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Lower-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          LT-1     478,000.00      16,457.37         177.99      16,457.37
> 16,635.36           0.00           0.00           0.00
          LT-2     295,000.00     295,000.00       3,190.46      26,078.17
> 29,268.63           0.00           0.00     268,921.83
          LT-3     232,000.00     232,000.00       2,509.10           0.00
>  2,509.10           0.00           0.00     232,000.00
          LT-4     506,000.00     506,000.00       5,472.44           0.00
>  5,472.44           0.00           0.00     506,000.00
          LT-5     115,000.00     115,000.00       1,243.74           0.00
>  1,243.74           0.00           0.00     115,000.00
          LT-6     374,000.00     374,000.00       4,044.85           0.00
>  4,044.85           0.00           0.00     374,000.00
          LT-A 155,816,106.79 165,034,962.60   1,684,178.85   3,391,516.26   5,
>075,695.11   1,531,197.78           0.00 160,112,248.56
          LT-M   1,179,920.55   1,829,603.07      11,859.07      34,607.26
> 46,466.33      31,248.93       7,928.28   1,771,675.16
          RL             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         158,996,027.34 168,403,023.04   1,712,676.50   3,468,659.06   5,
>181,335.56   1,562,446.71       7,928.28 163,379,845.55

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          LT-1                     34.429644       0.372364      34.429644
> 34.802008       0.000000      12.978127%     12.977680%
          LT-2                  1,000.000000      10.815119      88.400576
> 99.215695     911.599424      12.978127%     12.977680%
          LT-3                  1,000.000000      10.815086       0.000000
> 10.815086   1,000.000000      12.978127%     12.977680%
          LT-4                  1,000.000000      10.815099       0.000000
> 10.815099   1,000.000000      12.978127%     12.977680%
          LT-5                  1,000.000000      10.815130       0.000000
> 10.815130   1,000.000000      12.978127%     12.977680%
          LT-6                  1,000.000000      10.815107       0.000000
> 10.815107   1,000.000000      12.978127%     12.977680%
          LT-A                  1,059.164973      10.808760      21.766147
> 32.574907   1,027.571872      12.978127%     12.977680%
          LT-M                  1,550.615480      10.050736      29.330161
> 39.380897   1,501.520725      12.978127%     12.977680%
          RL                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
 RECORD DATE:                  July 31, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:            August 25, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 1
>                            (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Upper-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          A-1   47,800,000.00   1,645,738.97       8,502.98   1,645,738.97   1,
>654,241.95           0.00           0.00           0.00
          A-2   29,500,000.00  29,500,000.00     164,954.17   2,607,819.54   2,
>772,773.71           0.00           0.00  26,892,180.46
          A-3   23,200,000.00  23,200,000.00     133,593.33           0.00
>133,593.33           0.00           0.00  23,200,000.00
          A-4   50,600,000.00  50,600,000.00     301,491.67           0.00
>301,491.67           0.00           0.00  50,600,000.00
          A-5   11,500,000.00  11,500,000.00      70,820.83           0.00
> 70,820.83           0.00           0.00  11,500,000.00
          A-6   37,400,000.00  37,400,000.00     236,555.00           0.00
>236,555.00           0.00           0.00  37,400,000.00
          B      4,769,880.27  21,863,730.48           0.00           0.00
>      0.00           0.00     792,827.73  22,656,558.21
          RU             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         204,769,880.27 175,709,469.45     915,917.98   4,253,558.51   5,
>169,476.49           0.00     792,827.73 172,248,738.67

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          A-1  126342GH1           34.429686       0.177887      34.429686
> 34.607572       0.000000       6.200000%      6.200000%
          A-2  126342GJ7        1,000.000000       5.591667      88.400662
> 93.992329     911.599338       6.710000%      6.710000%
          A-3  126342GK4        1,000.000000       5.758333       0.000000
>  5.758333   1,000.000000       6.910000%      6.910000%
          A-4  126342GL2        1,000.000000       5.958333       0.000000
>  5.958333   1,000.000000       7.150000%      7.150000%
          A-5  126342GM0        1,000.000000       6.158333       0.000000
>  6.158333   1,000.000000       7.390000%      7.390000%
          A-6  126342GN8        1,000.000000       6.325000       0.000000
>  6.325000   1,000.000000       7.590000%      7.590000%
          B                     4,583.706350       0.000000       0.000000
>  0.000000   4,749.921786       0.000000%      0.000000%
          RU                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
RECORD DATE:                   July 31, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:            August 25, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 3
>                            (c) COPYRIGHT 1998 Bankers Trust Company

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders



>                                                        Distribution Date:
>  August 25, 1998


>                                                        DELINQUENT LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                        N/A   1,723,332.43 893,058.93 1,320,616.893,937,008.25
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                      N/A        1.0548%     0.5466%     0.8083%    2.4097%
>

>                                                        NUMBER OF LOANS
>                         N/A            51          28          37        116
>

>                                                        PERCENTAGE OF LOANS
>                         N/A        1.0883%     0.5975%     0.7896%    2.4755%
>


>                                                        BANKRUPTCY LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                    2,118,247. 387,322.03  322,648.25 1,561,223.294,389,441.01
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     1.2965%     0.2371%     0.1975%     0.9556%    2.6866%
>

>                                                        NUMBER OF LOANS
>                             62          12          10          48        132
>

>                                                        PERCENTAGE OF LOANS
>                        1.3231%     0.2561%     0.2134%     1.0243%    2.8169%
>


>                                                        FORECLOSURE LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00        0.00       0.00
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>

>                                                        NUMBER OF LOANS
>                              0           0           0           0          0
>

>                                                        PERCENTAGE OF LOANS
>                        0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>


>                                                        REO PROPERTY
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00        0.00       0.00
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>

>                                                        NUMBER OF LOANS
>                              0           0           0           0          0
>

>                                                        PERCENTAGE OF LOANS
>                        0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>


>                                                        BOOK VALUE OF LOANS IN
>REO:                                                                      0.00
>


>                                                        ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY:                                       (SEE ATTACH
>


>                                                       WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE:                                                   13.939627%
>


>                                                       WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE:                                               12.978127%
>


>                                                       WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY:                                                      163
>


>                                                       PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL:                                            4,818
>

>                                                       NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL:                                              0
>

>                                                       CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL:                                          4,686
>


>                                                       PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS:                              168,403,023.04
>


>                                                       SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE:                                       0.00
>


>                                                       CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS:                            163,379,845.55
>



>
>                          Page 2 of 3                     (c) COPYRIGHT 1998 B
>

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders



>                                                        Distribution Date:
>  August 25, 1998


>                                                       PRINCIPAL REMITTANCE AM
>OUNTS:


>                                                                      SCHEDULE
>D PRINCIPAL:                                                        338,512.19
>

>                                                                      CURTAILM
>ENTS:                                                                91,170.86
>

>                                                                      PREPAYME
>NTS IN FULL:                                                      2,997,266.24
>

>                                                                      NET LIQU
>IDATION PROCEEDS:                                                    33,781.49
>

>                                                                      INSURANC
>E PRINCIPAL PROCEEDS:                                                     0.00
>

>                                                                      RELEASED
> MORTGAGED PROPERTY PROCEEDS:                                             0.00
>

>                                                                      REPURCHA
>SED PRINCIPAL AMOUNTS:                                                    0.00
>

>                                                                      OVERCOLL
>ATERALIZATION INCREASE AMOUNT:                                      792,827.73
>

>                                                                      SUBSTITU
>TION ADJUSTMENTS:                                                         0.00
>

>                                                                      PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL:                                      0.00
>


>                                                       TOTAL PRINCIPAL DISTRIB
>UTED:                                                             4,253,558.51
>



>                                                       INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS:                  0.00
>


>                                                       REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION:                       0.00
>


>                                                       REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE:                23,000,000.00
>


>                                                       OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE:                      13,787,665.09
>


>                                                        TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE:             0.00
>


>                                                       CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD:                               1,562,446.71
>


>                                                       CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE:                                              8,868,893.12
>


>                                                       REMAINING PRE-FUNDED AM
>OUNT:                                                                     0.00
>
>
>                          Page 3 of 3                     (c) COPYRIGHT 1998 B
>

ED, IF ANY)

ankers Trust Company

ankers Trust Company






CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Lower-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          LT-1     478,000.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00
          LT-2     295,000.00     268,921.83       2,908.32      41,188.34
> 44,096.66           0.00           0.00     227,733.49
          LT-3     232,000.00     232,000.00       2,509.02           0.00
>  2,509.02           0.00           0.00     232,000.00
          LT-4     506,000.00     506,000.00       5,472.26           0.00
>  5,472.26           0.00           0.00     506,000.00
          LT-5     115,000.00     115,000.00       1,243.69           0.00
>  1,243.69           0.00           0.00     115,000.00
          LT-6     374,000.00     374,000.00       4,044.71           0.00
>  4,044.71           0.00           0.00     374,000.00
          LT-A 155,816,106.79 160,112,248.56   1,692,976.04   3,228,382.01   4,
>921,358.05     825,081.62           0.00 156,058,784.93
          LT-M   1,179,920.55   1,771,675.16      10,914.52      32,942.67
> 43,857.19      16,838.40       8,245.67   1,730,139.76
          RL             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00


TOTALS         158,996,027.34 163,379,845.55   1,720,068.56   3,302,513.02   5,
>022,581.58     841,920.02       8,245.67 159,243,658.18

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          LT-1                      0.000000       0.000000       0.000000
>  0.000000       0.000000       12.97768%      12.97521%
          LT-2                    911.599424       9.858712     139.621492
>149.480203     771.977932       12.97768%      12.97521%
          LT-3                  1,000.000000      10.814741       0.000000
> 10.814741   1,000.000000       12.97768%      12.97521%
          LT-4                  1,000.000000      10.814743       0.000000
> 10.814743   1,000.000000       12.97768%      12.97521%
          LT-5                  1,000.000000      10.814696       0.000000
> 10.814696   1,000.000000       12.97768%      12.97521%
          LT-6                  1,000.000000      10.814733       0.000000
> 10.814733   1,000.000000       12.97768%      12.97521%
          LT-A                  1,027.571872      10.865218      20.719180
> 31.584399   1,001.557465       12.97768%      12.97521%
          LT-M                  1,501.520725       9.250216      27.919397
> 37.169613   1,466.318864       12.97768%      12.97521%
          RL                        0.000000       0.000000       0.000000
>  0.000000       0.000000        0.00000%       0.00000%


SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
RECORD DATE:                  August 31, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:            September 25, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 1
>                            (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Upper-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          A-1   47,800,000.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00
          A-2   29,500,000.00  26,892,180.46     150,372.11   4,118,834.12   4,
>269,206.23           0.00           0.00  22,773,346.34
          A-3   23,200,000.00  23,200,000.00     133,593.33           0.00
>133,593.33           0.00           0.00  23,200,000.00
          A-4   50,600,000.00  50,600,000.00     301,491.67           0.00
>301,491.67           0.00           0.00  50,600,000.00
          A-5   11,500,000.00  11,500,000.00      70,820.83           0.00
> 70,820.83           0.00           0.00  11,500,000.00
          A-6   37,400,000.00  37,400,000.00     236,555.00           0.00
>236,555.00           0.00           0.00  37,400,000.00
          B      4,769,880.27  22,656,558.21           0.00           0.00
>      0.00           0.00     824,566.77  23,481,124.98
          RU             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00


TOTALS         204,769,880.27 172,248,738.67     892,832.94   4,118,834.12   5,
>011,667.06           0.00     824,566.77 168,954,471.32

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          A-1     126342GH1         0.000000       0.000000       0.000000
>  0.000000       0.000000        6.20000%       6.20000%
          A-2     126342GJ7       911.599338       5.097360     139.621496
>144.718855     771.977842        6.71000%       6.71000%
          A-3     126342GK4     1,000.000000       5.758333       0.000000
>  5.758333   1,000.000000        6.91000%       6.91000%
          A-4     126342GL2     1,000.000000       5.958333       0.000000
>  5.958333   1,000.000000        7.15000%       7.15000%
          A-5     126342GM0     1,000.000000       6.158333       0.000000
>  6.158333   1,000.000000        7.39000%       7.39000%
          A-6     126342GN8     1,000.000000       6.325000       0.000000
>  6.325000   1,000.000000        7.59000%       7.59000%
          B                     4,749.921786       0.000000       0.000000
>  0.000000   4,922.791276        0.00000%       0.00000%
          RU                        0.000000       0.000000       0.000000
>  0.000000       0.000000        0.00000%       0.00000%


SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
RECORD DATE:                  August 31, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:            September 25, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 3
>                            (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1

Statement  To  Certificateholders


Distribution Date:            September 25, 1998

DELINQUENT LOAN                                                 0 TO 29       3
>0 TO 59       60 TO 89        90 PLUS
INFORMATION                                                      DAYS
> DAYS           DAYS           DAYS           TOTAL
PRINCIPAL BALANCE                                                #N/A        1,
>712,435.00     883,584.54   1,798,883.89   4,394,903.43
PERCENTAGE OF POOL BALANCE                                       #N/A
>    1.0754%        0.5549%        1.1296%        2.7599%
NUMBER OF LOANS                                                  #N/A
>        54             28             53            135
PERCENTAGE OF LOANS                                              #N/A
>    1.1790%        0.6114%        1.1572%        2.9476%

BANKRUPTCY LOAN                                                 0 TO 29       3
>0 TO 59       60 TO 89        90 PLUS
INFORMATION                                                      DAYS
> DAYS           DAYS           DAYS           TOTAL
PRINCIPAL BALANCE                                             2,423,145.99
>271,335.38     430,656.76     995,886.97   4,121,025.10
PERCENTAGE OF POOL BALANCE                                          1.5217%
>    0.1704%        0.2704%        0.6254%        2.5879%
NUMBER OF LOANS                                                         71
>         8             12             32            123
PERCENTAGE OF LOANS                                                 1.5502%
>    0.1747%        0.2620%        0.6987%        2.6856%

FORECLOSURE LOAN                                                0 TO 29       3
>0 TO 59       60 TO 89        90 PLUS
INFORMATION                                                      DAYS
> DAYS           DAYS           DAYS           TOTAL
PRINCIPAL BALANCE                                                     0.00
>      0.00           0.00      29,113.86      29,113.86
PERCENTAGE OF POOL BALANCE                                          0.0000%
>    0.0000%        0.0000%        0.0183%        0.0183%
NUMBER OF LOANS                                                          0
>         0              0              1              1
PERCENTAGE OF LOANS                                                 0.0000%
>    0.0000%        0.0000%        0.0218%        0.0218%

REO PROPERTY                                                    0 TO 29       3
>0 TO 59       60 TO 89        90 PLUS
INFORMATION                                                      DAYS
> DAYS           DAYS           DAYS           TOTAL
PRINCIPAL BALANCE                                                     0.00
>      0.00           0.00           0.00           0.00
PERCENTAGE OF POOL BALANCE                                          0.0000%
>    0.0000%        0.0000%        0.0000%        0.0000%
NUMBER OF LOANS                                                          0
>         0              0              0              0
PERCENTAGE OF LOANS                                                 0.0000%
>    0.0000%        0.0000%        0.0000%        0.0000%

BOOK VALUE OF LOANS IN REO:
>                                                   0.00

ADDITIONAL INFORMATION CONCERNING ANY REO PROPERTY:
>                                         (SEE ATTACHED, IF ANY)

WEIGHTED AVERAGE MORTGAGE INTEREST RATE:
>                                              13.939180%

WEIGHTED AVERAGE NET MORTGAGE INTEREST RATE:
>                                              12.977680%

WEIGHTED AVERAGE REMAINING TERM TO MATURITY:
>                                                    162

PRIOR NUMBER OF MORTGAGE LOANS INCLUDED IN THE POOL:
>                                                  4,686
NUMBER OF SUBSEQUENT MORTGAGE LOANS ADDED TO THE POOL:
>                                                      0
CURRENT NUMBER OF MORTGAGE LOANS INCLUDED IN THE POOL:
>                                                  4,580

PRIOR AGGREGATE PRINCIPAL BALANCE OF THE MORTGAGE LOANS:
>                                         163,379,845.55

SUBSEQUENT MORTGAGE LOANS ADDED TO POOL PRINCIPAL BALANCE:
>                                                   0.00

CURRENT AGGREGATE PRINCIPAL BALANCE OF THE MORTGAGE LOANS:
>                                         159,243,658.18


                                                                Page 2 of 3
>                            (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1

Statement  To  Certificateholders


Distribution Date:            September 25, 1998

PRINCIPAL REMITTANCE AMOUNTS:

               SCHEDULED PRINCIPAL:
>                                             337,991.77
               CURTAILMENTS:
>                                              95,068.52
               PREPAYMENTS IN FULL:
>                                           2,854,497.43
               NET LIQUIDATION PROCEEDS:
>                                               6,709.63
               INSURANCE PRINCIPAL PROCEEDS:
>                                                   0.00
               RELEASED MORTGAGED PROPERTY PROCEEDS:
>                                                   0.00
               REPURCHASED PRINCIPAL AMOUNTS:
>                                                   0.00
               OVERCOLLATERALIZATION INCREASE AMOUNT:
>                                             824,566.77
               SUBSTITUTION ADJUSTMENTS:
>                                                   0.00
               PRE-FUNDED AMOUNTS DISTRIBUTED AS PRINCIPAL:
>                                                   0.00

TOTAL PRINCIPAL DISTRIBUTED:
>                                           4,118,834.12


INSURED PAYMENT INCLUDED IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS:
>                                                   0.00

REIMBURSEMENT AMOUNT PAID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION:
>                                                   0.00

REQUIRED OVERCOLLATERALIZATION LEVEL AS OF THE CURRENT REMITTANCE DATE:
>                                          23,000,000.00

OVERCOLLATERALIZATION AMOUNT AS OF THE CURRENT DISTRIBUTION DATE:
>                                          13,770,311.84

TOTAL REPURCHASE PRICE OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION
>DATE:                                              0.00

CURRENT REALIZED LOSSES FOR THE RELATED COLLECTION PERIOD:
>                                             841,920.02

CURRENT CUMULATIVE REALIZED LOSSES TO DATE:
>                                           9,710,813.14

REMAINING PRE-FUNDED AMOUNT:
>                                                   0.00


                                                                Page 3 of 3
>                            (c) COPYRIGHT 1998 Bankers Trust Company






CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Lower-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          LT-1     478,000.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00
          LT-2     295,000.00     227,733.49       2,462.41      50,700.35
> 53,162.76           0.00           0.00     177,033.14
          LT-3     232,000.00     232,000.00       2,508.54           0.00
>  2,508.54           0.00           0.00     232,000.00
          LT-4     506,000.00     506,000.00       5,471.21           0.00
>  5,471.21           0.00           0.00     506,000.00
          LT-5     115,000.00     115,000.00       1,243.46           0.00
>  1,243.46           0.00           0.00     115,000.00
          LT-6     374,000.00     374,000.00       4,043.94           0.00
>  4,043.94           0.00           0.00     374,000.00
          LT-A 155,816,106.79 156,058,784.93   1,630,843.53   4,199,710.00   5,
>830,553.53   1,025,178.64           0.00 150,833,896.29
          LT-M   1,179,920.55   1,730,139.76      10,861.27      42,854.18
> 53,715.45      20,922.01       7,846.17   1,674,209.74
          RL             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         158,996,027.34 159,243,658.18   1,657,434.36   4,293,264.53   5,
>950,698.89   1,046,100.65       7,846.17 153,912,139.17

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          LT-1                      0.000000       0.000000       0.000000
>  0.000000       0.000000      12.975212%     12.978572%
          LT-2                    771.977932       8.347153     171.865593
>180.212746     600.112339      12.975212%     12.978572%
          LT-3                  1,000.000000      10.812672       0.000000
> 10.812672   1,000.000000      12.975212%     12.978572%
          LT-4                  1,000.000000      10.812668       0.000000
> 10.812668   1,000.000000      12.975212%     12.978572%
          LT-5                  1,000.000000      10.812696       0.000000
> 10.812696   1,000.000000      12.975212%     12.978572%
          LT-6                  1,000.000000      10.812674       0.000000
> 10.812674   1,000.000000      12.975212%     12.978572%
          LT-A                  1,001.557465      10.466463      26.952990
> 37.419453     968.025061      12.975212%     12.978572%
          LT-M                  1,466.318864       9.205086      36.319547
> 45.524633   1,418.917350      12.975212%     12.978572%
          RL                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
 RECORD DATE:                 September 30, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:            October 26, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 1
>                            (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Upper-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          A-1   47,800,000.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00
          A-2   29,500,000.00  22,773,346.34     127,340.96   5,070,035.83   5,
>197,376.79           0.00           0.00  17,703,310.51
          A-3   23,200,000.00  23,200,000.00     133,593.33           0.00
>133,593.33           0.00           0.00  23,200,000.00
          A-4   50,600,000.00  50,600,000.00     301,491.67           0.00
>301,491.67           0.00           0.00  50,600,000.00
          A-5   11,500,000.00  11,500,000.00      70,820.83           0.00
> 70,820.83           0.00           0.00  11,500,000.00
          A-6   37,400,000.00  37,400,000.00     236,555.00           0.00
>236,555.00           0.00           0.00  37,400,000.00
          B      4,769,880.27  23,481,124.98           0.00           0.00
>      0.00           0.00     784,617.47  24,265,742.45
          RU             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         204,769,880.27 168,954,471.32     869,801.79   5,070,035.83   5,
>939,837.62           0.00     784,617.47 164,669,052.96

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          A-1  126342GH1            0.000000       0.000000       0.000000
>  0.000000       0.000000       6.200000%      6.200000%
          A-2  126342GJ7          771.977842       4.316643     171.865621
>176.182264     600.112221       6.710000%      6.710000%
          A-3  126342GK4        1,000.000000       5.758333       0.000000
>  5.758333   1,000.000000       6.910000%      6.910000%
          A-4  126342GL2        1,000.000000       5.958333       0.000000
>  5.958333   1,000.000000       7.150000%      7.150000%
          A-5  126342GM0        1,000.000000       6.158333       0.000000
>  6.158333   1,000.000000       7.390000%      7.390000%
          A-6  126342GN8        1,000.000000       6.325000       0.000000
>  6.325000   1,000.000000       7.590000%      7.590000%
          B                     4,922.791276       0.000000       0.000000
>  0.000000   5,087.285440       0.000000%      0.000000%
          RU                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                   Amy Paik
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
RECORD DATE:                  September 30, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:            October 26, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 3
>                            (c) COPYRIGHT 1998 Bankers Trust Company

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders



>                                                        Distribution Date:
>  October 26, 1998


>                                                        DELINQUENT LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                        N/A   2,305,804.49 740,875.45 1,661,725.044,708,404.98
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                      N/A        1.4981%     0.4814%     1.0797%    3.0592%
>

>                                                        NUMBER OF LOANS
>                         N/A            75          22          51        148
>

>                                                        PERCENTAGE OF LOANS
>                         N/A        1.6907%     0.4959%     1.1497%    3.3363%
>


>                                                        BANKRUPTCY LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                    2,740,497. 524,594.41  334,006.03  926,832.78 4,525,930.38
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     1.7806%     0.3408%     0.2170%     0.6022%    2.9406%
>

>                                                        NUMBER OF LOANS
>                             79          16          10          28        133
>

>                                                        PERCENTAGE OF LOANS
>                        1.7809%     0.3607%     0.2254%     0.6312%    2.9982%
>


>                                                        FORECLOSURE LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00        0.00       0.00
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>

>                                                        NUMBER OF LOANS
>                              0           0           0           0          0
>

>                                                        PERCENTAGE OF LOANS
>                        0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>


>                                                        REO PROPERTY
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00        0.00       0.00
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>

>                                                        NUMBER OF LOANS
>                             0           0           0           0          0
>

>                                                        PERCENTAGE OF LOANS
>                       0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>


>                                                       BOOK VALUE OF LOANS IN
>REO:                                                                     0.00
>


>                                                        ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY:                                       (SEE ATTACH
>


>                                                       WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE:                                                   13.936712%
>


>                                                       WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE:                                               12.975212%
>


>                                                       WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY:                                                      161
>


>                                                       PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL:                                            4,580
>

>                                                       NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL:                                              0
>

>                                                       CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL:                                          4,436
>


>                                                       PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS:                             159,243,658.18
>


>                                                       SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE:                                       0.00
>


>                                                       CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS:                            153,912,139.17
>



>
>                          Page 2 of 3                     (c) COPYRIGHT 1998 B
>

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders



>                                                        Distribution Date:
>  October 26, 1998


>                                                       PRINCIPAL REMITTANCE AM
>OUNTS:


>                                                                      SCHEDULE
>D PRINCIPAL:                                                        311,825.80
>

>                                                                      CURTAILM
>ENTS:                                                                34,696.82
>

>                                                                      PREPAYME
>NTS IN FULL:                                                      3,894,198.84
>

>                                                                      NET LIQU
>IDATION PROCEEDS:                                                    44,696.90
>

>                                                                      INSURANC
>E PRINCIPAL PROCEEDS:                                                     0.00
>

>                                                                      RELEASED
> MORTGAGED PROPERTY PROCEEDS:                                             0.00
>

>                                                                      REPURCHA
>SED PRINCIPAL AMOUNTS:                                                    0.00
>

>                                                                      OVERCOLL
>ATERALIZATION INCREASE AMOUNT:                                      784,617.47
>

>                                                                      SUBSTITU
>TION ADJUSTMENTS:                                                         0.00
>

>                                                                      PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL:                                      0.00
>


>                                                       TOTAL PRINCIPAL DISTRIB
>UTED:                                                             5,070,035.83
>



>                                                       INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS:                  0.00
>


>                                                       REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION:                       0.00
>


>                                                       REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE:               23,000,000.00
>


>                                                       OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE:                     13,508,828.66
>


>                                                        TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE:             0.00
>


>                                                       CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD:                               1,046,100.65
>


>                                                       CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE:                                          10,756,913.79
>


>                                                       REMAINING PRE-FUNDED AM
>OUNT:                                                                     0.00
>
>
>                          Page 3 of 3                     (c) COPYRIGHT 1998 B
>

ED, IF ANY)

ankers Trust Company


ankers Trust Company






CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Lower-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          LT-1     478,000.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00
          LT-2     295,000.00     177,033.14       1,914.70      48,744.31
> 50,659.01           0.00           0.00     128,288.83
          LT-3     232,000.00     232,000.00       2,509.19           0.00
>  2,509.19           0.00           0.00     232,000.00
          LT-4     506,000.00     506,000.00       5,472.63           0.00
>  5,472.63           0.00           0.00     506,000.00
          LT-5     115,000.00     115,000.00       1,243.78           0.00
>  1,243.78           0.00           0.00     115,000.00
          LT-6     374,000.00     374,000.00       4,044.99           0.00
>  4,044.99           0.00           0.00     374,000.00
          LT-A 155,816,106.79 150,833,896.29   1,587,206.48   4,023,688.84   5,
>610,895.32     736,181.16           0.00 146,074,026.29
          LT-M   1,179,920.55   1,674,209.74      10,421.12      41,058.05
> 51,479.17      15,024.11       7,686.26   1,625,813.84
          RL             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         158,996,027.34 153,912,139.17   1,612,812.89   4,113,491.20   5,
>726,304.09     751,205.27       7,686.26 149,055,128.96

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          LT-1                      0.000000       0.000000       0.000000
>  0.000000       0.000000      12.978572%     12.978173%
          LT-2                    600.112339       6.490508     165.234949
>171.725458     434.877390      12.978572%     12.978173%
          LT-3                  1,000.000000      10.815474       0.000000
> 10.815474   1,000.000000      12.978572%     12.978173%
          LT-4                  1,000.000000      10.815474       0.000000
> 10.815474   1,000.000000      12.978572%     12.978173%
          LT-5                  1,000.000000      10.815478       0.000000
> 10.815478   1,000.000000      12.978572%     12.978173%
          LT-6                  1,000.000000      10.815481       0.000000
> 10.815481   1,000.000000      12.978572%     12.978173%
          LT-A                    968.025061      10.186408      25.823318
> 36.009726     937.477064      12.978572%     12.978173%
          LT-M                  1,418.917350       8.832052      34.797301
> 43.629353   1,377.901114      12.978572%     12.978173%
          RL                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                Jennifer Bohannon
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
 RECORD DATE:                 October 30, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:            November 25, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 1
>                            (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Upper-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          A-1   47,800,000.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00
          A-2   29,500,000.00  17,703,310.51      98,991.01   4,874,431.13   4,
>973,422.14           0.00           0.00  12,828,879.38
          A-3   23,200,000.00  23,200,000.00     133,593.33           0.00
>133,593.33           0.00           0.00  23,200,000.00
          A-4   50,600,000.00  50,600,000.00     301,491.67           0.00
>301,491.67           0.00           0.00  50,600,000.00
          A-5   11,500,000.00  11,500,000.00      70,820.83           0.00
> 70,820.83           0.00           0.00  11,500,000.00
          A-6   37,400,000.00  37,400,000.00     236,555.00           0.00
>236,555.00           0.00           0.00  37,400,000.00
          B      4,769,880.27  24,265,742.45           0.00           0.00
>      0.00           0.00     768,626.19  25,034,368.64
          RU             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00

TOTALS         204,769,880.27 164,669,052.96     841,451.84   4,874,431.13   5,
>715,882.97           0.00     768,626.19 160,563,248.02

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          A-1  126342GH1            0.000000       0.000000       0.000000
>  0.000000       0.000000       6.200000%      6.200000%
          A-2  126342GJ7          600.112221       3.355627     165.234954
>168.590581     434.877267       6.710000%      6.710000%
          A-3  126342GK4        1,000.000000       5.758333       0.000000
>  5.758333   1,000.000000       6.910000%      6.910000%
          A-4  126342GL2        1,000.000000       5.958333       0.000000
>  5.958333   1,000.000000       7.150000%      7.150000%
          A-5  126342GM0        1,000.000000       6.158333       0.000000
>  6.158333   1,000.000000       7.390000%      7.390000%
          A-6  126342GN8        1,000.000000       6.325000       0.000000
>  6.325000   1,000.000000       7.590000%      7.590000%
          B                     5,087.285440       0.000000       0.000000
>  0.000000   5,248.427051       0.000000%      0.000000%
          RU                        0.000000       0.000000       0.000000
>  0.000000       0.000000       0.000000%      0.000000%

SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                Jennifer Bohannon
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
RECORD DATE:                  October 30, 1998
>                          Irvine, CA 92714
DISTRIBUTION DATE:            November 25, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 3
>                            (c) COPYRIGHT 1998 Bankers Trust Company

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders



>                                                        Distribution Date:
>  November 25, 1998


>                                                        DELINQUENT LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                        N/A   1,835,017.12 925,767.83 1,795,974.024,556,758.97
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                      N/A        1.2311%     0.6211%     1.2049%    3.0571%
>

>                                                        NUMBER OF LOANS
>                         N/A            59          30          55        144
>

>                                                        PERCENTAGE OF LOANS
>                         N/A        1.3692%     0.6962%     1.2764%    3.3418%
>


>                                                        BANKRUPTCY LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                    2,974,438. 531,823.45  370,560.69  858,890.86 4,735,713.33
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     1.9955%     0.3568%     0.2486%     0.5762%    3.1772%
>

>                                                        NUMBER OF LOANS
>                             80          16          11          25        132
>

>                                                        PERCENTAGE OF LOANS
>                        1.8566%     0.3713%     0.2553%     0.5802%    3.0634%
>


>                                                        FORECLOSURE LOAN
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00   24,457.35  24,457.35
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.0000%     0.0000%     0.0000%     0.0164%    0.0164%
>

>                                                        NUMBER OF LOANS
>                              0           0           0           1          1
>

>                                                        PERCENTAGE OF LOANS
>                        0.0000%     0.0000%     0.0000%     0.0232%    0.0232%
>


>                                                        REO PROPERTY
>                       0 TO 29    30 TO 59    60 TO 89    90 PLUS

>                                                        INFORMATION
>                         DAYS       DAYS        DAYS        DAYS       TOTAL
>

>                                                        PRINCIPAL BALANCE
>                           0.00        0.00        0.00        0.00       0.00
>

>                                                       PERCENTAGE OF POOL BALA
>NCE                     0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>

>                                                        NUMBER OF LOANS
>                              0           0           0           0          0
>

>                                                        PERCENTAGE OF LOANS
>                        0.0000%     0.0000%     0.0000%     0.0000%    0.0000%
>


>                                                        BOOK VALUE OF LOANS IN
>REO:                                                                      0.00
>


>                                                        ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY:                                       (SEE ATTACH
>


>                                                       WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE:                                                   13.940072%
>


>                                                       WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE:                                               12.978572%
>


>                                                       WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY:                                                      160
>


>                                                       PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL:                                            4,436
>

>                                                       NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL:                                              0
>

>                                                       CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL:                                          4,309
>


>                                                       PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS:                               153,912,139.17
>


>                                                       SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE:                                       0.00
>


>                                                       CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS:                            149,055,128.96
>

>
>                          Page 2 of 3                     (c) COPYRIGHT 1998 B
>

>                                                       CS First Boston Mortgag
>e Securities Corp.

>                                                       Preferred Mortgage Asse
>t-Backed Certificates

>                                                         Series 1997-1

>                                                        Lower-Tier REMIC

>                                                       Statement  To  Certific
>ateholders



>                                                        Distribution Date:
>  November 25, 1998


>                                                       PRINCIPAL REMITTANCE AM
>OUNTS:


>                                                                      SCHEDULE
>D PRINCIPAL:                                                        327,691.50
>

>                                                                      CURTAILM
>ENTS:                                                                79,655.66
>

>                                                                      PREPAYME
>NTS IN FULL:                                                      4,449,663.05
>

>                                                                      NET LIQU
>IDATION PROCEEDS:                                                 (751,205.27)
>

>                                                                      INSURANC
>E PRINCIPAL PROCEEDS:                                                     0.00
>

>                                                                      RELEASED
> MORTGAGED PROPERTY PROCEEDS:                                             0.00
>

>                                                                      REPURCHA
>SED PRINCIPAL AMOUNTS:                                                    0.00
>

>                                                                      OVERCOLL
>ATERALIZATION INCREASE AMOUNT:                                      768,626.19
>

>                                                                      SUBSTITU
>TION ADJUSTMENTS:                                                         0.00
>

>                                                                      PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL:                                      0.00
>


>                                                       TOTAL PRINCIPAL DISTRIB
>UTED:                                                             4,874,431.13
>



>                                                       INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS:                  0.00
>


>                                                       REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION:                       0.00
>


>                                                       REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE:                 23,000,000.00
>


>                                                       OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE:                       13,526,249.58
>


>                                                        TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE:             0.00
>


>                                                       CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD:                                 751,205.27
>


>                                                       CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE:                                             11,508,119.06
>


>                                                       REMAINING PRE-FUNDED AM
>OUNT:                                                                     0.00
>
>
>                          Page 3 of 3                     (c) COPYRIGHT 1998 B
>
ED, IF ANY)

ankers Trust Company

ankers Trust Company






CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Lower-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          LT-1     478,000.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00
          LT-2     295,000.00     128,288.83       1,387.46      39,640.04
> 41,027.50           0.00           0.00      88,648.79
          LT-3     232,000.00     232,000.00       2,509.11           0.00
>  2,509.11           0.00           0.00     232,000.00
          LT-4     506,000.00     506,000.00       5,472.46           0.00
>  5,472.46           0.00           0.00     506,000.00
          LT-5     115,000.00     115,000.00       1,243.74           0.00
>  1,243.74           0.00           0.00     115,000.00
          LT-6     374,000.00     374,000.00       4,044.86           0.00
>  4,044.86           0.00           0.00     374,000.00
          LT-A 155,816,106.79 146,074,026.29   1,564,919.14   3,127,074.34   4,
>691,993.48     613,119.64           0.00 142,333,832.31
          LT-M   1,179,920.55   1,625,813.84       9,852.29      31,908.92
> 41,761.21      12,512.65       7,731.12   1,589,123.39
          RL             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00


TOTALS         158,996,027.34 149,055,128.96   1,589,429.06   3,198,623.30   4,
>788,052.36     625,632.29       7,731.12 145,238,604.49

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          LT-1                      0.000000       0.000000       0.000000
>  0.000000       0.000000       12.97817%      12.97621%
          LT-2                    434.877390       4.703254     134.373017
>139.076271     300.504373       12.97817%      12.97621%
          LT-3                  1,000.000000      10.815129       0.000000
> 10.815129   1,000.000000       12.97817%      12.97621%
          LT-4                  1,000.000000      10.815138       0.000000
> 10.815138   1,000.000000       12.97817%      12.97621%
          LT-5                  1,000.000000      10.815130       0.000000
> 10.815130   1,000.000000       12.97817%      12.97621%
          LT-6                  1,000.000000      10.815134       0.000000
> 10.815134   1,000.000000       12.97817%      12.97621%
          LT-A                    937.477064      10.043372      20.069006
> 30.112378     913.473166       12.97817%      12.97621%
          LT-M                  1,377.901114       8.349961      27.043278
> 35.393239   1,346.805418       12.97817%      12.97621%
          RL                        0.000000       0.000000       0.000000
>  0.000000       0.000000        0.00000%       0.00000%


SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                Jennifer Bohannon
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
RECORD DATE:                  November 30, 1998
>                          Irvine, CA 92614
DISTRIBUTION DATE:            December 28, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 1
>                            (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Upper-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          A-1   47,800,000.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00
          A-2   29,500,000.00  12,828,879.39      71,734.82   3,964,004.42   4,
>035,739.24           0.00           0.00   8,864,874.97
          A-3   23,200,000.00  23,200,000.00     133,593.33           0.00
>133,593.33           0.00           0.00  23,200,000.00
          A-4   50,600,000.00  50,600,000.00     301,491.67           0.00
>301,491.67           0.00           0.00  50,600,000.00
          A-5   11,500,000.00  11,500,000.00      70,820.83           0.00
> 70,820.83           0.00           0.00  11,500,000.00
          A-6   37,400,000.00  37,400,000.00     236,555.00           0.00
>236,555.00           0.00           0.00  37,400,000.00
          B      4,769,880.27  25,034,368.63           0.00           0.00
>      0.00           0.00     773,112.24  25,807,480.87
          RU             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00


TOTALS         204,769,880.27 160,563,248.02     814,195.65   3,964,004.42   4,
>778,200.07           0.00     773,112.24 157,372,355.84

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          A-1     126342GH1         0.000000       0.000000       0.000000
>  0.000000       0.000000        6.20000%       6.20000%
          A-2     126342GJ7       434.877267       2.431689     134.373031
>136.804720     300.504236        6.71000%       6.71000%
          A-3     126342GK4     1,000.000000       5.758333       0.000000
>  5.758333   1,000.000000        6.91000%       6.91000%
          A-4     126342GL2     1,000.000000       5.958333       0.000000
>  5.958333   1,000.000000        7.15000%       7.15000%
          A-5     126342GM0     1,000.000000       6.158333       0.000000
>  6.158333   1,000.000000        7.39000%       7.39000%
          A-6     126342GN8     1,000.000000       6.325000       0.000000
>  6.325000   1,000.000000        7.59000%       7.59000%
          B                     5,248.427049       0.000000       0.000000
>  0.000000   5,410.509155        0.00000%       0.00000%
          RU                        0.000000       0.000000       0.000000
>  0.000000       0.000000        0.00000%       0.00000%


SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                Jennifer Bohannon
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
RECORD DATE:                  November 30, 1998
>                          Irvine, CA 92614
DISTRIBUTION DATE:            December 28, 1998
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 3
>                            (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1

Statement  To  Certificateholders


Distribution Date:            December 28, 1998

DELINQUENT LOAN                                                 0 TO 29       3
>0 TO 59       60 TO 89        90 PLUS
INFORMATION                                                      DAYS
> DAYS           DAYS           DAYS           TOTAL
PRINCIPAL BALANCE                                                #N/A        1,
>887,868.53   1,103,073.68   1,762,701.16   4,753,643.37
PERCENTAGE OF POOL BALANCE                                       #N/A
>    1.2998%        0.7595%        1.2137%        3.2730%
NUMBER OF LOANS                                                  #N/A
>        58             32             52            142
PERCENTAGE OF LOANS                                              #N/A
>    1.3780%        0.7603%        1.2354%        3.3737%

BANKRUPTCY LOAN                                                 0 TO 29       3
>0 TO 59       60 TO 89        90 PLUS
INFORMATION                                                      DAYS
> DAYS           DAYS           DAYS           TOTAL
PRINCIPAL BALANCE                                             2,709,977.29
>496,151.63     200,286.18     953,509.76   4,359,924.86
PERCENTAGE OF POOL BALANCE                                          1.8659%
>    0.3416%        0.1379%        0.6565%        3.0019%
NUMBER OF LOANS                                                         73
>        14              7             29            123
PERCENTAGE OF LOANS                                                 1.7344%
>    0.3326%        0.1663%        0.6890%        2.9223%

FORECLOSURE LOAN                                                0 TO 29       3
>0 TO 59       60 TO 89        90 PLUS
INFORMATION                                                      DAYS
> DAYS           DAYS           DAYS           TOTAL
PRINCIPAL BALANCE                                                     0.00
>      0.00           0.00      24,457.35      24,457.35
PERCENTAGE OF POOL BALANCE                                          0.0000%
>    0.0000%        0.0000%        0.0168%        0.0168%
NUMBER OF LOANS                                                          0
>         0              0              1              1
PERCENTAGE OF LOANS                                                 0.0000%
>    0.0000%        0.0000%        0.0238%        0.0238%

REO PROPERTY                                                    0 TO 29       3
>0 TO 59       60 TO 89        90 PLUS
INFORMATION                                                      DAYS
> DAYS           DAYS           DAYS           TOTAL
PRINCIPAL BALANCE                                                     0.00
>      0.00           0.00           0.00           0.00
PERCENTAGE OF POOL BALANCE                                          0.0000%
>    0.0000%        0.0000%        0.0000%        0.0000%
NUMBER OF LOANS                                                          0
>         0              0              0              0
PERCENTAGE OF LOANS                                                 0.0000%
>    0.0000%        0.0000%        0.0000%        0.0000%

BOOK VALUE OF LOANS IN REO:
>                                                   0.00

ADDITIONAL INFORMATION CONCERNING ANY REO PROPERTY:
>                                         (SEE ATTACHED, IF ANY)

WEIGHTED AVERAGE MORTGAGE INTEREST RATE:
>                                              13.939673%

WEIGHTED AVERAGE NET MORTGAGE INTEREST RATE:
>                                              12.978173%

WEIGHTED AVERAGE REMAINING TERM TO MATURITY:
>                                                    159

PRIOR NUMBER OF MORTGAGE LOANS INCLUDED IN THE POOL:
>                                                  4,309
NUMBER OF SUBSEQUENT MORTGAGE LOANS ADDED TO THE POOL:
>                                                      0
CURRENT NUMBER OF MORTGAGE LOANS INCLUDED IN THE POOL:
>                                                  4,209

PRIOR AGGREGATE PRINCIPAL BALANCE OF THE MORTGAGE LOANS:
>                                         149,055,128.96

SUBSEQUENT MORTGAGE LOANS ADDED TO POOL PRINCIPAL BALANCE:
>                                                   0.00

CURRENT AGGREGATE PRINCIPAL BALANCE OF THE MORTGAGE LOANS:
>                                         145,238,604.49


                                                                Page 2 of 3
>                            (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1

Statement  To  Certificateholders


Distribution Date:            December 28, 1998

PRINCIPAL REMITTANCE AMOUNTS:

               SCHEDULED PRINCIPAL:
>                                             315,271.40
               CURTAILMENTS:
>                                              48,460.49
               PREPAYMENTS IN FULL:
>                                           2,734,091.61
               NET LIQUIDATION PROCEEDS:
>                                              93,068.68
               INSURANCE PRINCIPAL PROCEEDS:
>                                                   0.00
               RELEASED MORTGAGED PROPERTY PROCEEDS:
>                                                   0.00
               REPURCHASED PRINCIPAL AMOUNTS:
>                                                   0.00
               OVERCOLLATERALIZATION INCREASE AMOUNT:
>                                             773,112.24
               SUBSTITUTION ADJUSTMENTS:
>                                                   0.00
               PRE-FUNDED AMOUNTS DISTRIBUTED AS PRINCIPAL:
>                                                   0.00

TOTAL PRINCIPAL DISTRIBUTED:
>                                           3,964,004.42


INSURED PAYMENT INCLUDED IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS:
>                                                   0.00

REIMBURSEMENT AMOUNT PAID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION:
>                                                   0.00

REQUIRED OVERCOLLATERALIZATION LEVEL AS OF THE CURRENT REMITTANCE DATE:
>                                          23,000,000.00

OVERCOLLATERALIZATION AMOUNT AS OF THE CURRENT DISTRIBUTION DATE:
>                                          13,673,729.52

TOTAL REPURCHASE PRICE OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION
>DATE:                                              0.00

CURRENT REALIZED LOSSES FOR THE RELATED COLLECTION PERIOD:
>                                             625,632.29

CURRENT CUMULATIVE REALIZED LOSSES TO DATE:
>                                          12,133,751.35

REMAINING PRE-FUNDED AMOUNT:
>                                                   0.00


                                                                Page 3 of 3
>                            (c) COPYRIGHT 1998 Bankers Trust Company






CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Lower-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          LT-1     478,000.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00
          LT-2     295,000.00      88,648.79         958.60      49,470.44
> 50,429.04           0.00           0.00      39,178.35
          LT-3     232,000.00     232,000.00       2,508.73           0.00
>  2,508.73           0.00           0.00     232,000.00
          LT-4     506,000.00     506,000.00       5,471.64           0.00
>  5,471.64           0.00           0.00     506,000.00
          LT-5     115,000.00     115,000.00       1,243.55           0.00
>  1,243.55           0.00           0.00     115,000.00
          LT-6     374,000.00     374,000.00       4,044.25           0.00
>  4,044.25           0.00           0.00     374,000.00
          LT-A 155,816,106.79 142,333,832.31   1,521,854.07   4,111,568.26   5,
>633,422.33     785,913.70           0.00 137,436,350.35
          LT-M   1,179,920.55   1,589,123.39       9,668.34      41,954.78
> 51,623.12      16,039.05       7,515.66   1,538,645.22
          RL             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00


TOTALS         158,996,027.34 145,238,604.49   1,545,749.18   4,202,993.48   5,
>748,742.66     801,952.75       7,515.66 140,241,173.92

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          LT-1                      0.000000       0.000000       0.000000
>  0.000000       0.000000       12.97621%      12.97989%
          LT-2                    300.504373       3.249492     167.696407
>170.945898     132.807966       12.97621%      12.97989%
          LT-3                  1,000.000000      10.813491       0.000000
> 10.813491   1,000.000000       12.97621%      12.97989%
          LT-4                  1,000.000000      10.813518       0.000000
> 10.813518   1,000.000000       12.97621%      12.97989%
          LT-5                  1,000.000000      10.813478       0.000000
> 10.813478   1,000.000000       12.97621%      12.97989%
          LT-6                  1,000.000000      10.813503       0.000000
> 10.813503   1,000.000000       12.97621%      12.97989%
          LT-A                    913.473166       9.766988      26.387312
> 36.154300     882.041999       12.97621%      12.97989%
          LT-M                  1,346.805418       8.194060      35.557292
> 43.751353   1,304.024428       12.97621%      12.97989%
          RL                        0.000000       0.000000       0.000000
>  0.000000       0.000000        0.00000%       0.00000%


SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                Jennifer Bohannon
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
RECORD DATE:                  December 31, 1998
>                          Irvine, CA 92614
DISTRIBUTION DATE:            January 25, 1999
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 1
>                            (c) COPYRIGHT 1999 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1
Upper-Tier REMIC
Statement  To  Certificateholders

DISTRIBUTIONS IN DOLLARS
                                       PRIOR
>                                                CURRENT
                     ORIGINAL      PRINCIPAL
>                 REALIZED       DEFERRED      PRINCIPAL
     CLASS         FACE VALUE        BALANCE       INTEREST      PRINCIPAL
>     TOTAL         LOSSES       INTEREST        BALANCE

          A-1   47,800,000.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00
          A-2   29,500,000.00   8,864,874.97      49,569.43   4,947,044.06   4,
>996,613.49           0.00           0.00   3,917,830.91
          A-3   23,200,000.00  23,200,000.00     133,593.33           0.00
>133,593.33           0.00           0.00  23,200,000.00
          A-4   50,600,000.00  50,600,000.00     301,491.67           0.00
>301,491.67           0.00           0.00  50,600,000.00
          A-5   11,500,000.00  11,500,000.00      70,820.83           0.00
> 70,820.83           0.00           0.00  11,500,000.00
          A-6   37,400,000.00  37,400,000.00     236,555.00           0.00
>236,555.00           0.00           0.00  37,400,000.00
          B      4,769,880.27  25,807,480.87           0.00           0.00
>      0.00           0.00     751,566.24  26,559,047.11
          RU             0.00           0.00           0.00           0.00
>      0.00           0.00           0.00           0.00


TOTALS         204,769,880.27 157,372,355.84     792,030.26   4,947,044.06   5,
>739,074.32           0.00     751,566.24 153,176,878.02

FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
>                           PASS-THROUGH
                                       PRIOR
>                  CURRENT      RATES
                                   PRINCIPAL
>                PRINCIPAL
     CLASS          CUSIP            BALANCE       INTEREST      PRINCIPAL
>     TOTAL        BALANCE        CURRENT           NEXT

          A-1     126342GH1         0.000000       0.000000       0.000000
>  0.000000       0.000000        6.20000%       6.20000%
          A-2     126342GJ7       300.504236       1.680320     167.696409
>169.376728     132.807827        6.71000%       6.71000%
          A-3     126342GK4     1,000.000000       5.758333       0.000000
>  5.758333   1,000.000000        6.91000%       6.91000%
          A-4     126342GL2     1,000.000000       5.958333       0.000000
>  5.958333   1,000.000000        7.15000%       7.15000%
          A-5     126342GM0     1,000.000000       6.158333       0.000000
>  6.158333   1,000.000000        7.39000%       7.39000%
          A-6     126342GN8     1,000.000000       6.325000       0.000000
>  6.325000   1,000.000000        7.59000%       7.59000%
          B                     5,410.509155       0.000000       0.000000
>  0.000000   5,568.074167        0.00000%       0.00000%
          RU                        0.000000       0.000000       0.000000
>  0.000000       0.000000        0.00000%       0.00000%


SELLER:                       T.A.R. Preferred Mortgage Corporation        ADMI
>NISTRATOR:                Jennifer Bohannon
SERVICER:                     Advanta Mortgage Corp. USA
>                          Bankers Trust Company
LEAD UNDERWRITER:             CS First Boston
>                           3 Park Plaza
RECORD DATE:                  December 31, 1998
>                          Irvine, CA 92614
DISTRIBUTION DATE:            January 25, 1999
>        FACTOR INFORMATION(800) 735-7777
                                                                Page 1 of 3
>                            (c) COPYRIGHT 1999 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1

Statement  To  Certificateholders


Distribution Date:            January 25, 1999

DELINQUENT LOAN                                                 0 TO 29       3
>0 TO 59       60 TO 89        90 PLUS
INFORMATION                                                      DAYS
> DAYS           DAYS           DAYS           TOTAL
PRINCIPAL BALANCE                                                #N/A        2,
>680,568.47     850,207.41   1,769,509.88   5,300,285.76
PERCENTAGE OF POOL BALANCE                                       #N/A
>    1.9114%        0.6062%        1.2618%        3.7794%
NUMBER OF LOANS                                                  #N/A
>        82             28             54            164
PERCENTAGE OF LOANS                                              #N/A
>    2.0098%        0.6863%        1.3235%        4.0196%

BANKRUPTCY LOAN                                                 0 TO 29       3
>0 TO 59       60 TO 89        90 PLUS
INFORMATION                                                      DAYS
> DAYS           DAYS           DAYS           TOTAL
PRINCIPAL BALANCE                                             2,885,788.40
>463,316.14     462,594.89     756,779.25   4,568,478.68
PERCENTAGE OF POOL BALANCE                                          2.0577%
>    0.3304%        0.3299%        0.5396%        3.2576%
NUMBER OF LOANS                                                         74
>        14             13             23            124
PERCENTAGE OF LOANS                                                 1.8137%
>    0.3431%        0.3186%        0.5637%        3.0392%

FORECLOSURE LOAN                                                0 TO 29       3
>0 TO 59       60 TO 89        90 PLUS
INFORMATION                                                      DAYS
> DAYS           DAYS           DAYS           TOTAL
PRINCIPAL BALANCE                                                     0.00
>      0.00           0.00           0.00           0.00
PERCENTAGE OF POOL BALANCE                                          0.0000%
>    0.0000%        0.0000%        0.0000%        0.0000%
NUMBER OF LOANS                                                          0
>         0              0              0              0
PERCENTAGE OF LOANS                                                 0.0000%
>    0.0000%        0.0000%        0.0000%        0.0000%

REO PROPERTY                                                    0 TO 29       3
>0 TO 59       60 TO 89        90 PLUS
INFORMATION                                                      DAYS
> DAYS           DAYS           DAYS           TOTAL
PRINCIPAL BALANCE                                                     0.00
>      0.00           0.00           0.00           0.00
PERCENTAGE OF POOL BALANCE                                          0.0000%
>    0.0000%        0.0000%        0.0000%        0.0000%
NUMBER OF LOANS                                                          0
>         0              0              0              0
PERCENTAGE OF LOANS                                                 0.0000%
>    0.0000%        0.0000%        0.0000%        0.0000%

BOOK VALUE OF LOANS IN REO:
>                                                   0.00

ADDITIONAL INFORMATION CONCERNING ANY REO PROPERTY:
>                                         (SEE ATTACHED, IF ANY)

WEIGHTED AVERAGE MORTGAGE INTEREST RATE:
>                                              13.937712%

WEIGHTED AVERAGE NET MORTGAGE INTEREST RATE:
>                                              12.976212%

WEIGHTED AVERAGE REMAINING TERM TO MATURITY:
>                                                    158

PRIOR NUMBER OF MORTGAGE LOANS INCLUDED IN THE POOL:
>                                                  4,209
NUMBER OF SUBSEQUENT MORTGAGE LOANS ADDED TO THE POOL:
>                                                      0
CURRENT NUMBER OF MORTGAGE LOANS INCLUDED IN THE POOL:
>                                                  4,080

PRIOR AGGREGATE PRINCIPAL BALANCE OF THE MORTGAGE LOANS:
>                                         145,238,604.49

SUBSEQUENT MORTGAGE LOANS ADDED TO POOL PRINCIPAL BALANCE:
>                                                   0.00

CURRENT AGGREGATE PRINCIPAL BALANCE OF THE MORTGAGE LOANS:
>                                         140,241,173.92


                                                                Page 2 of 3
>                            (c) COPYRIGHT 1999 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
 Series 1997-1

Statement  To  Certificateholders


Distribution Date:            January 25, 1999

PRINCIPAL REMITTANCE AMOUNTS:

               SCHEDULED PRINCIPAL:
>                                             313,709.50
               CURTAILMENTS:
>                                              91,633.66
               PREPAYMENTS IN FULL:
>                                           3,660,517.09
               NET LIQUIDATION PROCEEDS:
>                                             129,617.57
               INSURANCE PRINCIPAL PROCEEDS:
>                                                   0.00
               RELEASED MORTGAGED PROPERTY PROCEEDS:
>                                                   0.00
               REPURCHASED PRINCIPAL AMOUNTS:
>                                                   0.00
               OVERCOLLATERALIZATION INCREASE AMOUNT:
>                                             751,566.24
               SUBSTITUTION ADJUSTMENTS:
>                                                   0.00
               PRE-FUNDED AMOUNTS DISTRIBUTED AS PRINCIPAL:
>                                                   0.00

TOTAL PRINCIPAL DISTRIBUTED:
>                                           4,947,044.06


INSURED PAYMENT INCLUDED IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS:
>                                                   0.00

REIMBURSEMENT AMOUNT PAID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION:
>                                                   0.00

REQUIRED OVERCOLLATERALIZATION LEVEL AS OF THE CURRENT REMITTANCE DATE:
>                                          23,000,000.00

OVERCOLLATERALIZATION AMOUNT AS OF THE CURRENT DISTRIBUTION DATE:
>                                          13,623,343.01

TOTAL REPURCHASE PRICE OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION
>DATE:                                              0.00

CURRENT REALIZED LOSSES FOR THE RELATED COLLECTION PERIOD:
>                                             801,952.75

CURRENT CUMULATIVE REALIZED LOSSES TO DATE:
>                                          12,935,704.10

REMAINING PRE-FUNDED AMOUNT:
>                                                   0.00


                                                                Page 3 of 3
>                            (c) COPYRIGHT 1999 Bankers Trust Company




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