NETWORK COMPUTING DEVICES INC
SC 13D, 1999-07-02
COMPUTER TERMINALS
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                               UNITED STATES
                     SECURITIES AND EXCHANGE COMMISSION
                           WASHINGTON, D.C. 20549


                                SCHEDULE 13D

                 Under the Securities Exchange Act of 1934
                           (Amendment No. _____)*


                      NETWORK COMPUTING DEVICES, INC.
- ---------------------------------------------------------------------------
                              (Name of Issuer)

                                COMMON STOCK
- ---------------------------------------------------------------------------
                       (Title of Class of Securities)


                                 64120N100
                                 ----------
                               (CUSIP Number)

                            Jessica Forbes, Esq.
                  Fried, Frank, Harris, Shriver & Jacobson
                             One New York Plaza
                          New York, New York 10004
                               (212) 859-8558
- ---------------------------------------------------------------------------
    (Name, Address and Telephone Number of Person Authorized to Receive
                        Notices and Communications)

                             February 11, 1997
- ---------------------------------------------------------------------------
          (Date of Event which Requires Filing of this Statement)

If the filing  person has  previously  filed a statement on Schedule 13G to
report the  acquisition  that is the subject of this  Schedule  13D, and is
filing this schedule because of Rule 13d-1(e),  13d-1(f) or 13d-1(g), check
the following box [ ].

NOTE:  Schedules  filed in paper format shall include a signed original and
five copies of the schedule,  including all exhibits. See Rule 13d-7(b) for
other parties to whom copies are to be sent.

*The  remainder  of this cover  page  shall be filled  out for a  reporting
person's  initial  filing on this form with respect to the subject class of
securities,  and for any subsequent amendment containing  information which
would alter disclosures provided in a prior cover page.

The  information  required on the remainder of this cover page shall not be
deemed to be  "filed"  for the  purpose  of  Section  18 of the  Securities
Exchange  Act of 1934 ("Act") or otherwise  subject to the  liabilities  of
that section of the Act but shall be subject to all other provisions of the
Act (however, see the Notes).


<PAGE>


                                    13D

CUSIP No. 64120N100

1   NAMES OF REPORTING PERSONS
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (entities only)

    ALAN J. ANDREINI

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a)  [ ]
                                                                        (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS (See Instructions)

    PF; 00

5   CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) OR 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    UNITED STATES

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           819,800

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       211,400

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         819,800

                10  SHARED DISPOSITIVE POWER

                    211,400

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    1,031,200

12  CHECK IF THE AGGREGATE AMOUNT IN ROW (11)             [X]
    EXCLUDES CERTAIN SHARES (See Instructions)

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    6.4%

14  TYPE OF REPORTING PERSON (See Instructions)

    IN


<PAGE>


                                SCHEDULE 13D
                                ------------

     This Statement on Schedule 13D reflects information as of July 2, 1999
and is being amended simultaneously by the filing of a Schedule 13G
pursuant to Rule 13d-1(c). Information contained in this Statement on
Schedule 13D regarding persons other than the Reporting Person is to the
best knowledge of the Reporting Person.

ITEM 1. SECURITY AND ISSUER.

     This Statement on Schedule 13D (this "Statement") relates to the
Common Stock, par value $.001 per share (the "Common Stock"), of Network
Computing Devices, Inc. (the "Issuer"). The principal executive offices of
the Issuer are located at 350 North Bernardo Avenue, Mountain View,
California, 94043.

ITEM 2. IDENTITY AND BACKGROUND.

     (a) This Statement is being filed by Alan J. Andreini (the "Reporting
Person"). This Statement reflects ownership of Common Stock (i) by the
Reporting Person for his own account and (ii) by persons for whom the
Reporting person currently exercises trading authority. This Statement also
includes certain information about ownership of Common Stock by persons for
whom the Reporting Person previously exercised trading authority.

     The Reporting Person is currently authorized to exercise trading and
voting authority over: (i) the account of the Kiskiminetas Springs School
(the "School") at PaineWebber; (ii) the account of The Andreini Foundation,
a not-for-profit corporation (the "Foundation"); (iii) the account of John
D. Andreini and Blanche M. Andreini at Cheevers Hand & Angeline, Inc. (the
"Parents"); and (iv) an account at Piper Jaffray, Inc. for the benefit of
Alan J. Andreini Jr. (the "Son"), under Illinois Uniform Transfers to
Minors Act. The Reporting Person is currently authorized to exercise
trading (but not voting) authority over (i) the account of Giovane Ltd.
("Giovane") at Piper Jaffray, Inc. and (ii) the account of Rachel Bauer
("Bauer") at Piper Jaffray, Inc.

     From April 1996 to February 22, 1999, the Reporting Person was
authorized to exercise trading and voting authority over the account of the
School at Piper Jaffray, Inc. and from April 26, 1994 to December 11, 1998,
the Reporting Person was authorized to exercise trading authority over the
account of Comdisco, Inc., a Delaware corporation ("Comdisco"). In
addition, from April 8, 1998 to March 10, 1999 the Reporting Person was
authorized to exercise trading authority over the account of Michael
Donahue; from August 10, 1997 to March 10, 1999 the Reporting Person was
authorized to exercise trading authority over the account of Janice
Fuellhart; from June 30, 1998 to March 10, 1999 the Reporting Person was
authorized to exercise trading authority over the account of Mitchell
Darren Marrow; and from December 28, 1997 to March 10, 1999 the Reporting
Person was authorized to exercise trading authority over the account of
Kendra Goldenway (each of such individuals being referred to individually
as an "Individual" and collectively as the "Individuals"). Pursuant to the
rules promulgated under the federal securities laws, the Reporting Person:
(i) may be deemed to have been the beneficial owner of the Common Stock
owned by Comdisco and each of the Individuals during the respective periods
described above because the Reporting Person shared investment power during
such respective periods in respect of the shares of Common Stock held by
Comdisco and by each Individual; (ii) may be deemed to have been the
beneficial owner of the Common Stock held by the School in its account at
Piper Jaffray, Inc. during the period described above because the Reporting
Person shared investment and voting power over that account during such
period; (iii) may be deemed to be the beneficial owner of the Common Stock
held by the School in its account at PaineWebber and of the Common Stock
held in the Parents' account because the Reporting Person shares investment
and voting power over such accounts; (iv) may be deemed to be the
beneficial owner of the Common Stock held by the Foundation and of the
Common Stock in the Son's account because the Reporting Person has sole
investment and voting power in respect of such Common Stock; and (v) may be
deemed to have been the beneficial owner of the Common Stock previously
held by Giovane and Bauer because the Reporting Person shares investment
power over their accounts. The cover page to this Schedule 13D excludes
Common Stock held by the School in its account at Piper Jaffray, Inc., by
Comdisco, and by each of the Individuals. The Reporting Person disclaims
beneficial ownership of the Common Stock reported herein, except for the
Common Stock owned by the Reporting Person for his own account.

     (b) - (c) The business address and principal occupation of the
Reporting Person, and the name, principal business and address of the
employer of the Reporting Person, is as follows:

     Reporting Person:       Alan J. Andreini

     Principal Occupation:   President and Chief Executive Officer of
                             InterWorld Corporation, a corporation
                             principally engaged in the provision of
                             Internet commerce software for sales,
                             order management, fulfillment, customer
                             service and other applications.

     Business Address and
     Address of Employer:    395 Hudson Street, New York NY 10014

     (d) - (e) During the last five years, the Reporting Person has not
been convicted in a criminal proceeding (excluding traffic violations or
similar misdemeanors). During the last five years, the Reporting Person was
not a party to a civil proceeding of a judicial or administrative body of
competent jurisdiction and as a result of such proceeding was not or is not
subject to a judgment, decree or final order enjoining future violations
of, or prohibiting or mandating activities subject to, federal or state
securities laws or finding any violation with respect to such laws.

     (f) The Reporting Person is a United States citizen.

ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.

     Shares of Common stock of the Issuer acquired by the Reporting Person
for his own account were acquired using his personal funds. Shares of
Common Stock acquired for the account of the School, the Foundation the
Parents, the Son, Giovane, Bauer and each Individual were acquired using
the funds of such persons. None of the shares acquired by the Reporting
Person for his own account or for the account of others were acquired with
borrowed funds. The aggregate purchase price, including mark-ups, paid for
the shares of Common Stock acquired by the Reporting Person for his own
account (without giving effect to any subsequent sales of those shares) was
$8,102,965.80. The aggregate purchase price, including mark-ups, paid by
the School, the Foundation, the Parents, the Son, Giovane, Bauer, Comdisco,
and the Individuals for the Common Stock purchased during the respective
periods when the Reporting Person exercised trading authority (without
giving effect to any subsequent sales of those shares) was $19,620,350.74.

ITEM 4. PURPOSE OF TRANSACTION.

     The Reporting Person acquired the shares for investment purposes. The
Reporting Person has no plans to or proposals that relate to or would
result in any of the actions specified in clauses (a) through (j) of Item 4
of Schedule 13D, although the Reporting Person reserves the right to
acquire additional securities of the Issuer and to sell securities of the
Issuer, in each case, from time to time.

ITEM 5. INTEREST IN SECURITIES OF THE ISSUER.

     (a) As of July 2, 1999, the Reporting Person held for his own account
779,400 shares of Common Stock, representing approximately 4.9% of the
Issuer's outstanding Common Stock, the Foundation held 38,400 shares of
Common Stock, representing approximately 0.2% of the Issuer's outstanding
Common Stock, the Son held 2,000 shares of Common Stock, representing
approximately 0.01% of the Issuer's outstanding Common Stock, the Parents
held 41,400 shares of Common Stock, representing approximately 0.3% of the
Issuer's outstanding Common Stock, the School held 170,000 shares of Common
Stock in its account at PaineWebber, representing approximately 1.1% of the
Issuer's outstanding Common Stock, Giovane held 0 shares of Common Stock,
and Bauer held 0 shares of Common Stock. (The foregoing percentages are, in
each case, based on there being 16,045,933 shares of Common Stock currently
outstanding as reported in the Form 10-Q of the Issuer filed on May 13,
1999.)

     As of December 11, 1998, Comdisco held 720,500 shares of Common Stock,
representing approximately 4.5% of the Issuer's outstanding Common Stock.
As of February 22, 1999, the School held 980,000 shares of Common Stock in
its account at Piper Jaffray, Inc., representing approximately 6.1% of the
Issuer's outstanding Common Stock. As of March 10, 1999, Michael Donahue
held 61,000 shares of Common Stock, representing approximately 0.4% of the
Issuer's outstanding Common Stock; Janice Fuellhart held 21,500 shares of
Common Stock, representing approximately 0.1% of the Issuer's outstanding
Common Stock; Mitchell Darren Marrow held 7,000 shares of Common Stock,
representing approximately 0.04% of the Issuer's outstanding Common Stock;
and Kendra Goldenway held 5,200 shares of Common Stock, representing
approximately 0.03% of the Issuer's outstanding Common Stock. (The
foregoing percentages are based on there being 15,942,049 shares of Common
Stock outstanding as of December 11, 1998 and February 22, 1999 and
16,097,668 shares of Common Stock outstanding as of March 10, 1999.)

     (b) (i) As of July 2, 1999, the Reporting Person has the sole power to
vote and the sole power to dispose of (a) 779,400 shares of Common Stock
held by the Reporting Person for his own account; (b) 38,400 shares of
Common Stock held in the account of the Foundation; the (c) 2,000 shares
of Common Stock held in the account of the Son. Therefore, as of July 2,
1999, the Reporting Person has the sole power to vote and dispose of
819,800 shares of Common Stock.

          As of July 2, 1999, the Reporting Person has shared power to
dispose of and shared power to vote 170,000 shares of Common Stock held in
the account of the School at PaineWebber and 41,400 shares of Common Stock
held by the Parents. Therefore, as of July 2, 1999, the Reporting Person
has the shared power to vote and dispose of 211,400 shares of Common Stock.

     During the respective periods set forth in Item 2(a), when the
Reporting Person exercised trading authority over the account of Comdisco
and each Individual, the Reporting Person shared power to dispose of shares
of Common Stock held in the account of Comdisco and each Individual. During
the period set forth in Item 2(a), when the Reporting Person exercised
trading authority over the account of the School at Piper Jaffray, Inc.,
the Reporting Person had shared power to vote and dispose of shares of
Common Stock held in such account.

     (ii) With respect to shares of Common Stock held in the account of
each Individual, the Reporting Person shared dispositive power with such
party. The business address, principal occupation and citizenship of each
Individual and the name, principal business and address of such
Individual's employer, is as follows:

Michael J. Donahue

      Principal Occupation:   Chairman of InterWorld Corporation, a
                              corporation principally engaged in the
                              provision of Internet commerce software for
                              sales, order management, fulfillment, customer
                              service and other applications.

      Business Address:       395 Hudson Street
                              New York, NY 10014

      Citizenship:            United States

Mitchell Darren Marrow

      Principal Occupation:   Professional athlete employed by the
                              Carolina Panthers

      Business Address:       12929-B Ballantyne
                              Corporate Plaza
                              Charlotte NC  28277

      Citizenship:            United States

Janice Fuellhart

      Principal Occupation:   Executive, Deputy Chairman of Page One
                              Communications, a company principally
                              engaged in the provision of paging
                              services and equipment

      Business Address and
      Address of Employer:    #2 Brentside Executive Center
                              Great West Road
                              Brentford, Middlesex, Great Britain
                              TW89DA

      Citizenship:            United States

Kendra Goldenway

      Principal Occupation:   Not currently employed

      Address:                P.O. Box 21
                              Ross, CA  94957

      Citizenship:            United States

     The business address, principal occupation and citizenship of each
person with whom the Reporting Person shared dispositive and voting power
over the Common Stock held in the account of the School at Piper Jaffray,
Inc., and the name, principal business and address of such person's
employer, is as follows:

Michael J. Yukevich:

      Principal Occupation:   Attorney

      Business Address &      Yukevich, Blume, Marchetti & Zangrilli, P.C.
      Address of Employer:    One Gateway Center
                              Sixth Floor
                              Pittsburgh, PA  15222

      Citizenship:            United States

Linda K. Miller:

      Principal Occupation:   Business Manager of the Kiskimentas
                              Springs School

      Business Address &      1888 Brett Lane
      Address of Employer:    Saltsburg, PA  15681

      Citizenship:            United States

     The business address, principal occupation and citizenship of each
person with whom the Reporting Person shares dispositive and voting power
over the Common Stock held in the account of the School at PaineWebber, and
the name, principal business and address of such person's employer, is as
follows:

John A. Pidgeon:

      Principal Occupation:   Headmaster of the Kiskiminetas Springs
                              School

      Business Address &      1888 Brett Lane
      Address of Employer:    Saltsburg, PA  15681

      Citizenship:            United States

     The information required by Item 2 of Schedule 13D for each person
with whom the Reporting Person shared dispositive power over the Common
Stock held in the account of Comdisco is as follows:

John Vosicky:

      Principal Occupation:   Chief Financial Officer of Comdisco, Inc.

      Business Address &      6111 N. River Rd.
      Address of Employer:    Rosemont, IL  60018

      Citizenship:            United States


     The information required by Item 2 of Schedule 13D for each person
with whom the Reporting Person shares dispositive power over the Common
Stock held in the account of Giovane is as follows:

Giovane Ltd.:

      State of Organization:  New York

      Principal Business:     Manufacturer of Jewelry

      Address of Principal    30 Rockerfeller Plaza
      Business/Principal      Room 4330
       Office:                New York, NY 10020

     The information required by Item 2 of Schedule 13D for each person
with whom the Reporting Person shares dispositive power over the Common
Stock held in the account of Bauer is as follows:

Rachel Bauer

      Principal Occupation::  Jewelry sales

      Address:                30 Rockerfeller Plaza
                              Room 4330
                              New York, NY 10020

      Citizenship:            United States

     The address, principal occupation and citizenship of Blanche M.
Andreini, with whom the Reporting Person shares dispositive and voting
power over the Common Stock held in the account of John D. Andreini and
Blanche M. Andreini (John D. Andreini died in April 1998) is as follows:

      Address:                6145 Beaconwood Road
                              Lake Worth, Florida  33467-6803

      Principal Occupation:   Retired

      Citizenship:            United States

     (iii) To the best knowledge of the Reporting Person, during the last
five years, none of the persons named in this paragraph (b) of Item 5: (I)
has been convicted in a criminal proceeding (excluding traffic violations
or similar misdemeanors) or (II) was a party to a civil proceeding of a
judicial or administrative body of competent jurisdiction and as a result
of such proceeding was or is subject to a judgment, decree or final order
enjoining future violations of, or prohibitory or mandatory activities
subject to, federal or state securities laws or findings with respect to
such laws.

     (c) Prior to the date hereof, the Reporting Person effected
transactions in the Common Stock as set forth in Appendices A through L
hereto, which are incorporated herein by reference. All of the transactions
reflected in Appendices A through L were effected in open market
transactions on The Nasdaq Stock Market.

     (d) During the respective periods when the Reporting Person had
trading authority over the accounts of the School at Piper Jaffray, Inc.,
Comdisco and each Individual, the School, Comdisco, and each Individual,
respectively, had the right to receive and the power to direct the receipt
of dividends from, and the proceeds from the sale of, the Common Stock held
in such respective accounts. The School has the right to receive and the
power to direct the receipt of dividends from, and the proceeds from the
sale of, the Common Stock held in its PaineWebber account. The Foundation,
Giovane and Bauer respectively, have the right to receive and the power to
direct the receipt of dividends from, and the proceeds from the sale of,
the Common Stock held in their respective accounts, and Blanche M. Andreini
has the right to receive, and has power to direct the receipt of dividends
from, and the proceeds from the sale of, the Common Stock held in the
Parent's account. The Son has the right to receive dividends from, and the
proceeds from the sale of, the Common Stock held in the Son's account at
Piper Jaffray, Inc., in accordance with the Illinois Uniform Transfers to
Minors Act. Other than the School, none of such persons has an interest of
more than 5% of the outstanding Common Stock.

     (e) Not applicable.

ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH
        RESPECT TO SECURITIES OF THE ISSUER.

     Pursuant to a Securities Trading Authorization Agreement, the form of
which is filed as Exhibit 1 hereto, the Reporting Person is or was
authorized to buy, sell, and trade in securities for the account of Giovane,
Bauer, and each of the Individuals maintained at Piper Jaffray, Inc.
Pursuant to a Resolution and Trading Authorization, the form of which is
filed as Exhibit 2 hereto, the Reporting Person is authorized to authorize
transactions and transfers on behalf of the Foundation, and was authorized
to authorize transactions and transfers on behalf of the School in their
respective accounts at Piper Jaffray, Inc. Pursuant to a Corporate
Resolution, a copy of which is attached hereto as Exhibit 3, the Reporting
Person is authorized to act on behalf of the School in connection with the
account of the School at PaineWebber. Pursuant to an authorization, a copy
of which is attached hereto as Exhibit 4, the Reporting Person is
authorized to act on behalf of the Parents in connection with the Parents'
account at Cheevers Hand & Angeline, Inc. The Reporting Person is the
custodian of the Son's account at Piper Jaffray, Inc., which was
established by the Reporting Person under the Illinois Uniform Transfers to
Minors Act with standard Piper Jaffray, Inc. account agreements. Each of
such accounts (other than the accounts of Giovane and Bauer) currently
holds shares of Common Stock.

     The shares of Common Stock held by the Reporting Person for his own
account are held by the Reporting Person in a margin account at Piper
Jaffray, Inc. pursuant to standard broker account agreements containing
customary provisions, including a pledge by the Reporting Person of all
shares in the margin account, including the shares of Common Stock.
Pursuant to such agreements, the broker is authorized under certain
conditions to sell any securities held in such account, including the
shares of Common Stock. The shares of Common Stock held in the accounts of
the Foundation, the School and the Parents are held, and the shares of
Common Stock held in the accounts of Giovane, Bauer, and the Individuals
may also be held, in margin accounts containing similar customary
provisions.

     Except as otherwise described herein, the Reporting Person does not
have any contract, arrangement, understanding or relationship with respect
to any securities of the Issuer.

ITEM 7. MATERIAL TO BE FILED AS EXHIBITS.

            99.1. EXHIBIT 1 - Form of Securities Trading Authorization
                  Agreement among Alan J. Andreini, Piper Jaffray, Inc. and
                  each of the following:

                        Rachel Bauer, dated February 28, 1997
                        Giovane Ltd., dated March 5, 1997
                        Michael Donahue, dated April 8, 1998
                        Janice Fuellhart, dated August 10, 1997
                        Mitchell Darren Marrow, dated June 30, 1998
                        Kendra Goldenway, dated December 28, 1997

            99.2. EXHIBIT 2 - Form of Resolution and Trading Authorization
                  between Piper Jaffray, Inc. and each of the following:

                        The Andreini Foundation
                        Kiskiminetas Springs School

            99.3. EXHIBIT 3 - Corporate Resolutions of the Kiskiminetas
                  Springs School, dated January 15, 1997.

            99.4. EXHIBIT 4 - Authorization in respect of the account of John
                  D. Andreini and Blanche M. Andreini, dated February 1, 1997.


<PAGE>


      After reasonable inquiry and to the best of his knowledge and belief,
the undersigned certifies that the information set forth in this Statement is
true, complete and correct.

Date:  July 2, 1999

                                          /s/ Alan J. Andreini
                                          ---------------------------
                                          Alan J. Andreini


<PAGE>


                                APPENDIX A
                TRANSACTIONS FOR ACCOUNT OF ALAN J. ANDREINI

                        TYPE OF                            PURCHASE PRICE
     TRADE DATE       TRANSACTION       QUANTITY           IN U.S. DOLLARS
- ---------------------------------------------------------------------------
      01/16/97          PURCHASE          7,000               10.3750
      01/16/97          PURCHASE          3,000               10.4375
      01/16/97          PURCHASE          5,000               10.3125
      01/22/97          PURCHASE          3,000               13.6875
      01/22/97          PURCHASE          7,000               14.0625
      01/22/97          PURCHASE          5,000               13.4375
      01/23/97          PURCHASE         20,000               14.6875
      01/23/97          PURCHASE         20,000               14.8125
      01/23/97          PURCHASE         30,000               14.5625
      01/23/97          PURCHASE         10,000               13.9375
      01/24/97          PURCHASE         10,000               13.5625
      01/31/97          PURCHASE         20,000               15.5625
      01/31/97          PURCHASE          5,000               15.5625
      01/31/97          PURCHASE         10,000               15.8125
      01/31/97          PURCHASE         15,000               16.0625
      01/31/97          PURCHASE          5,000               15.4375
      02/11/97          PURCHASE          5,000               13.3750
      03/20/97          PURCHASE          5,000               10.3750
      03/20/97          PURCHASE          5,000               10.3750
      03/20/97          PURCHASE            500               10.3750
      03/21/97          PURCHASE          5,000               10.4375
      03/21/97          PURCHASE          5,000               10.3750
      03/26/97          PURCHASE          5,000                9.7000
      03/26/97          PURCHASE          5,000               10.1250
      03/26/97          PURCHASE          5,000               10.1250
      03/27/97          PURCHASE          4,500               10.6100
      03/27/97          PURCHASE          5,000               10.8750
      03/27/97          PURCHASE          5,000               10.8750
      03/27/97          PURCHASE          5,000               11.1250
      03/28/97          PURCHASE          5,000               11.2500
      03/28/97          PURCHASE          5,000               11.2500
      03/28/97          PURCHASE          5,000               11.2500
      03/28/97          PURCHASE          1,000               11.1250
      03/28/97          PURCHASE          5,000               11.1250
      04/01/97          PURCHASE          1,000                9.7500
      04/02/97          PURCHASE          3,000                9.7500
      04/08/97          PURCHASE          5,000               11.1875
      04/10/97          PURCHASE          5,000               10.5000
      04/10/97          PURCHASE          5,000               10.5000
      04/17/97          PURCHASE         10,000               10.5625
      04/17/97          PURCHASE          5,000               10.4375
      04/21/97          PURCHASE          5,000                9.8750
      04/22/97          PURCHASE          3,000                9.3750
      06/12/97          PURCHASE          7,000               12.1250
      06/19/97          PURCHASE         10,000               13.3125
      07/16/97          PURCHASE          6,500                8.3750
      07/17/97          PURCHASE          3,500                8.3750
      08/13/97          PURCHASE         10,000                9.0937
      10/20/97          PURCHASE         15,000                8.4400
      10/28/97          PURCHASE          5,000                8.3750
      10/31/97          PURCHASE          5,000                8.5000
      10/31/97          PURCHASE          5,000                8.4375
      11/03/97          PURCHASE         10,000                8.6250
      11/03/97          PURCHASE         20,000                8.6250
      11/03/97          PURCHASE          5,000                8.5625
      11/04/97          PURCHASE         15,000                8.6660
      11/13/97          PURCHASE         10,000                7.7500
      11/19/97          PURCHASE            500                9.0000
      11/21/97          PURCHASE          5,000                8.8750
      11/21/97          PURCHASE          5,000                8.8750
      11/21/97          PURCHASE          5,000                8.8750
      11/21/97          PURCHASE          5,000                8.8750
      11/21/97          PURCHASE          5,000                8.9375
      11/21/97          PURCHASE          1,900                8.9375
      12/02/97          PURCHASE          1,000                7.9688
      12/11/97          PURCHASE            100                7.2500
      12/12/97          PURCHASE          2,000                7.2500
      02/13/98          PURCHASE          5,000               10.3750
      02/13/98          PURCHASE          1,500               10.4375
      02/18/98          PURCHASE          3,000               10.3125
      02/20/98          PURCHASE         10,000               10.3125
      05/06/98          PURCHASE          2,500                8.9375
      05/11/98          PURCHASE          3,000                8.7500
      05/29/98          PURCHASE         10,000                8.0625
      06/03/98          PURCHASE         10,000                8.3750
      06/05/98          PURCHASE          3,000                8.1250
      06/05/98          PURCHASE          5,000                8.2000
      06/09/98          PURCHASE          5,000                8.0000
      06/26/98          PURCHASE          5,000                6.2500
      07/03/98          PURCHASE          2,500                7.9000
      07/07/98          PURCHASE          3,000                8.0625
      07/07/98          PURCHASE          1,000                8.0000
      07/07/98          PURCHASE            500                8.0625
      07/07/98          PURCHASE          3,500                8.1250
      07/07/98          PURCHASE          1,600                8.0625
      07/07/98          PURCHASE          3,400                8.1250
      07/10/98          PURCHASE          1,800                8.6875
      07/10/98          PURCHASE          3,200                8.7500
      07/13/98          PURCHASE          3,000                7.7500
      07/13/98          PURCHASE          4,000                7.8750
      07/16/98          PURCHASE          5,000                8.1250
      10/29/98          PURCHASE          5,000                6.6250
      11/11/98          PURCHASE          4,000                7.2500
      11/11/98          PURCHASE          5,000                7.2500
      11/11/98          PURCHASE          3,000                7.2500
      11/11/98          PURCHASE          1,000                6.2500
      11/11/98          PURCHASE          2,000                6.5000
      11/11/98          PURCHASE          3,000                6.5000
      11/11/98          PURCHASE          3,000                6.5625
      11/11/98          PURCHASE          2,000                6.6250
      11/11/98          PURCHASE          2,000                6.5000
      11/11/98          PURCHASE          2,000                6.5000
      11/11/98          PURCHASE          1,000                6.5000
      11/11/98          PURCHASE          1,000                6.6250
      11/11/98          PURCHASE          2,000                6.5000
      11/11/98          PURCHASE          1,000                6.5000
      11/13/98            SOLD            3,500                8.0000
      11/18/98          PURCHASE         10,000                7.7500
      12/11/98            SOLD            5,000                5.5000
      02/18/99            SOLD            1,000                5.6250
      02/18/99            SOLD            4,100                5.6875
      02/24/99            SOLD            3,000                5.5625
      02/24/99            SOLD            2,000                5.5625


<PAGE>


                                APPENDIX B
   TRANSACTIONS FOR PIPER JAFFRAY ACCOUNT OF KISKIMINETAS SPRINGS SCHOOL

                        TYPE OF                            PURCHASE PRICE
     TRADE DATE       TRANSACTION       QUANTITY           IN U.S. DOLLARS
- ---------------------------------------------------------------------------
      01/16/97          PURCHASE         10,000               10.5000
      01/16/97          PURCHASE          5,000               10.3750
      01/20/97          PURCHASE         10,000               12.5000
      01/23/97          PURCHASE         17,500               14.7500
      01/23/97          PURCHASE         20,000               14.8750
      01/23/97          PURCHASE         12,500               14.3750
      01/23/97          PURCHASE         10,000               14.0000
      01/23/97          PURCHASE         25,000               14.1250
      01/24/97          PURCHASE         10,000               13.6250
      01/31/97          PURCHASE         20,000               15.6250
      01/31/97          PURCHASE          5,000               15.6250
      01/31/97          PURCHASE          5,000               15.8750
      01/31/97          PURCHASE          5,000               16.0000
      01/31/97          PURCHASE         15,000               16.1250
      01/31/97          PURCHASE          5,000               15.7500
      02/10/97          PURCHASE         10,000               13.6250
      02/10/97          PURCHASE         10,000               13.7500
      02/11/97          PURCHASE         15,000               13.6250
      02/17/97          PURCHASE          5,000               13.6875
      02/24/97          PURCHASE          1,000               14.3750
      02/25/97          PURCHASE          1,000               14.5000
      02/25/97          PURCHASE          4,000               14.5000
      02/26/97          PURCHASE          2,500               14.2500
      02/26/97          PURCHASE          5,000               14.3750
      03/03/97          PURCHASE          5,000               12.0000
      03/03/97          PURCHASE          2,000               11.7500
      03/03/97          PURCHASE          3,000               11.8750
      03/03/97          PURCHASE          1,500               12.0625
      03/03/97          PURCHASE          1,000               12.1250
      03/03/97          PURCHASE          2,500               12.2500
      03/03/97          PURCHASE          5,000               11.3750
      03/03/97          PURCHASE          5,000               11.7500
      03/03/97          PURCHASE          1,000               11.2500
      03/03/97          PURCHASE            500               11.2500
      03/14/97          PURCHASE            500               11.3750
      03/28/97          PURCHASE          1,500               11.1875
      03/28/97          PURCHASE          8,500               11.2500
      03/31/97          PURCHASE          2,000               10.5000
      03/31/97          PURCHASE          2,000               10.5000
      04/01/97          PURCHASE          2,000               10.0000
      04/01/97          PURCHASE          1,000                9.6250
      04/01/97          PURCHASE          2,000                9.8750
      04/01/97          PURCHASE            500               10.0000
      04/08/97          PURCHASE          5,000               11.2500
      04/08/97          PURCHASE            500               11.2500
      04/09/97          PURCHASE          2,500               11.2500
      04/09/97          PURCHASE          2,000               11.2500
      04/11/97          PURCHASE          5,000               10.3750
      04/11/97          PURCHASE          5,000               10.2500
      04/14/97          PURCHASE          5,000               10.5000
      06/19/97          PURCHASE         10,000               13.3750
      06/20/97          PURCHASE          5,000               13.0000
      07/09/97          PURCHASE          5,000               10.5000
      07/11/97          PURCHASE          2,000               10.2500
      07/16/97          PURCHASE         30,000                8.7500
      07/16/97          PURCHASE         10,000                9.0000
      08/01/97          PURCHASE          4,500                8.5625
      08/04/97          PURCHASE          5,000                8.5000
      08/08/97          PURCHASE          1,000                7.6875
      08/08/97          PURCHASE          4,000                7.7500
      08/13/97          PURCHASE         10,000                9.0000
      12/23/97          PURCHASE          5,000                7.3750
      12/31/97          PURCHASE          5,000                8.5000
      01/23/98          PURCHASE         10,000               10.0000
      01/29/98          PURCHASE          5,000                9.2250
      01/29/98          PURCHASE          5,000                9.3750
      02/03/98          PURCHASE          3,000                8.8750
      02/05/98          PURCHASE         15,500                9.1250
      02/12/98          PURCHASE          7,500               10.3125
      02/12/98          PURCHASE          3,500               10.2500
      02/12/98          PURCHASE          4,000               10.3750
      02/13/98          PURCHASE          1,000               10.3125
      02/13/98          PURCHASE          5,500               10.4375
      02/17/98          PURCHASE          5,000               10.4375
      02/17/98          PURCHASE          5,000               10.4375
      02/17/98          PURCHASE          5,000               10.5625
      02/18/98          PURCHASE          5,000               10.2500
      02/18/98          PURCHASE         10,000               10.2500
      02/19/98          PURCHASE          5,000               10.3125
      02/19/98          PURCHASE         10,000               10.3125
      02/20/98          PURCHASE         25,000               10.3125
      03/04/98          PURCHASE          5,000               11.9375
      03/09/98          PURCHASE         15,000               11.8750
      04/15/98          PURCHASE         10,000               10.0000
      04/15/98          PURCHASE          2,500               10.1250
      04/15/98          PURCHASE          7,500               10.0000
      04/16/98          PURCHASE         10,000               10.1250
      04/22/98          PURCHASE          2,000                9.9375
      04/28/98          PURCHASE         10,000                9.3750
      04/29/98          PURCHASE         10,000                9.6250
      04/30/98          PURCHASE         10,000                9.3125
      05/04/98          PURCHASE          1,000                9.0313
      05/04/98          PURCHASE          4,000                9.1250
      05/05/98          PURCHASE          5,000                9.0000
      05/05/98          PURCHASE          5,000                9.2500
      05/05/98          PURCHASE          5,000                9.2500
      05/11/98          PURCHASE         10,000                8.7500
      05/12/98          PURCHASE          3,000                8.9375
      05/18/98          PURCHASE          5,000                8.6250
      05/21/98          PURCHASE          2,500                8.3750
      05/29/98          PURCHASE          5,000                8.3125
      05/29/98          PURCHASE          8,000                8.2200
      06/10/98          PURCHASE          5,000                7.9375
      06/12/98          PURCHASE          5,000                7.7500
      06/12/98          PURCHASE          5,000                7.8750
      06/12/98          PURCHASE          5,000                7.7500
      07/03/98          PURCHASE          2,500                7.9000
      08/19/98          PURCHASE          3,000                6.9375
      08/19/98          PURCHASE          1,000                7.0000
      08/21/98          PURCHASE          1,000                7.1250
      08/25/98          PURCHASE          2,000                6.8750
      08/27/98          PURCHASE          1,000                7.2500
      08/28/98          PURCHASE          3,000                7.1250
      08/28/98          PURCHASE          2,000                7.1250
      08/28/98          PURCHASE          2,000                7.3750
      08/31/98          PURCHASE          2,000                6.8750
      08/31/98          PURCHASE          5,000                6.7500
      08/31/98          PURCHASE          2,000                6.9375
      08/31/98          PURCHASE          2,000                6.8750
      08/31/98          PURCHASE          1,000                6.9375
      08/31/98          PURCHASE          2,000                6.9375
      08/31/98          PURCHASE          1,400                6.6250
      08/31/98          PURCHASE            600                6.7500
      08/31/98          PURCHASE          1,600                6.5625
      08/31/98          PURCHASE            400                6.7500
      08/31/98          PURCHASE          2,000                6.6250
      09/01/98          PURCHASE          2,000                6.0000
      09/01/98          PURCHASE          2,000                5.7500
      09/01/98          PURCHASE          1,000                5.7500
      10/05/98          PURCHASE          1,000                5.6250
      10/06/98          PURCHASE          2,000                5.7500
      10/06/98          PURCHASE            700                5.7500
      10/06/98          PURCHASE          1,300                5.8125
      10/06/98          PURCHASE          1,000                5.8125
      10/08/98          PURCHASE          1,000                5.6250
      10/09/98          PURCHASE          1,000                5.4375
      10/09/98          PURCHASE          1,000                5.5000
      10/09/98          PURCHASE          1,000                5.5625
      10/09/98          PURCHASE          1,000                5.7500
      10/12/98          PURCHASE          2,000                5.8750
      10/12/98          PURCHASE            500                5.7500
      10/13/98          PURCHASE          2,000                5.3750
      10/13/98          PURCHASE          1,000                5.4375
      10/14/98          PURCHASE          2,000                5.0000
      10/14/98          PURCHASE          1,000                5.0000
      10/14/98          PURCHASE          1,000                5.1250
      10/14/98          PURCHASE          2,000                5.1250
      10/14/98          PURCHASE          1,000                5.1250
      10/14/98          PURCHASE          1,000                5.3125
      10/14/98          PURCHASE          1,000                5.1875
      10/15/98          PURCHASE          2,000                5.2500
      10/15/98          PURCHASE          2,000                5.4375
      10/15/98          PURCHASE          3,000                5.5000
      10/15/98          PURCHASE          2,000                5.5000
      10/15/98          PURCHASE          3,000                5.5000
      10/20/98          PURCHASE          2,000                5.3750
      10/20/98          PURCHASE          2,000                5.3750
      10/20/98          PURCHASE          2,000                5.3750
      10/20/98          PURCHASE          2,000                5.3750
      10/22/98          PURCHASE          2,000                5.5000
      10/22/98          PURCHASE          2,000                5.8438
      10/29/98          PURCHASE          2,000                6.5000
      10/29/98          PURCHASE          3,000                6.6250
      11/11/98          PURCHASE          5,000                6.6250
      11/11/98          PURCHASE          1,000                6.6250
      12/11/98            SALE            5,000                5.5000


<PAGE>


                               APPENDIX B-1
    TRANSACTIONS FOR PAINEWEBBER ACCOUNT OF KISKIMINETAS SPRINGS SCHOOL

                        TYPE OF                            PURCHASE PRICE
     TRADE DATE       TRANSACTION       QUANTITY           IN U.S. DOLLARS
- ---------------------------------------------------------------------------
      01/24/97          PURCHASE          5,000               13.2500
      01/24/97          PURCHASE          2,500               13.0000
      01/24/97          PURCHASE          2,500               13.2500
      01/28/97          PURCHASE          5,000               13.3750
      01/28/97          PURCHASE          5,000               13.3750
      01/29/97          PURCHASE          5,000               12.8750
      02/03/97          PURCHASE          5,000               15.0000
      02/13/97          PURCHASE         10,000               12.6250
      02/10/98          PURCHASE          2,750               10.3750
      02/10/98          PURCHASE            250               10.2500
      02/10/98          PURCHASE          1,000               10.3750
      02/10/98          PURCHASE          1,000               10.3750
      02/12/98          PURCHASE          2,500               10.5000
      02/12/98          PURCHASE          1,000               10.5000
      02/12/98          PURCHASE          1,000               10.4375
      02/12/98          PURCHASE            500               10.4375
      02/18/98          PURCHASE          2,500               10.3125
      02/18/98          PURCHASE          7,500               10.3125
      05/12/98          PURCHASE          3,000                8.8750
      05/15/98          PURCHASE          2,000                8.6250
      05/21/98          PURCHASE          2,000                8.3750
      06/24/98          PURCHASE          2,000                6.3750
      06/25/98          PURCHASE            500                6.1250
      06/25/98          PURCHASE          1,000                6.1250
      06/25/98          PURCHASE          2,000                6.1250
      06/25/98          PURCHASE          1,500                6.1250
      06/25/98          PURCHASE          5,000                6.1250
      06/25/98          PURCHASE          1,500                6.0625
      06/25/98          PURCHASE          3,500                6.0625
      06/26/98          PURCHASE          2,000                6.2500
      06/26/98          PURCHASE          2,900                6.2500
      06/26/98          PURCHASE            100                6.2500
      06/30/98          PURCHASE          1,000                7.6250
      06/30/98          PURCHASE          3,000                7.6250
      06/30/98          PURCHASE          1,000                7.6250
      06/30/98          PURCHASE          1,000                7.6250
      06/30/98          PURCHASE          1,000                7.8125
      06/30/98          PURCHASE          3,000                7.7500
      06/30/98          PURCHASE          1,000                7.7500
      06/30/98          PURCHASE          1,000                7.7500
      06/30/98          PURCHASE          1,000                7.7500
      06/30/98          PURCHASE          1,000                7.8125
      06/30/98          PURCHASE          1,000                7.8125
      06/30/98          PURCHASE          5,000                7.9688
      07/07/98          PURCHASE          5,000                8.2188
      07/07/98          PURCHASE          5,000                8.0625
      07/10/98          PURCHASE          5,000                8.7500
      07/16/98          PURCHASE          5,000                8.1875
      07/16/98          PURCHASE          5,000                8.1250
      07/17/98          PURCHASE          5,000                8.1250
      07/21/98          PURCHASE          2,000                7.3750
      08/12/98          PURCHASE          1,000                7.0625
      08/17/98          PURCHASE          2,000                6.8750
      08/17/98          PURCHASE          3,000                6.8750
      08/21/98          PURCHASE          3,000                9.1250
      08/27/98          PURCHASE          1,000                7.2500
      08/31/98          PURCHASE          2,000                6.7500
      10/06/98          PURCHASE          2,000                5.7500
      11/18/98          PURCHASE          1,300                7.7500
      11/18/98          PURCHASE          1,000                7.6875
      11/18/98          PURCHASE          1,600                7.7500
      11/18/98          PURCHASE          1,000                7.7500
      11/18/98          PURCHASE          1,000                7.7500
      11/18/98          PURCHASE          1,000                7.7500
      11/18/98          PURCHASE            100                7.7500
      11/18/98          PURCHASE          3,000                7.7500
      11/19/98          PURCHASE          3,000                6.8750
      11/19/98          PURCHASE          2,000                6.7500


<PAGE>


                                APPENDIX C
 TRANSACTIONS FOR THE ACCOUNT OF JOHN D. ANDREINI AND BLANCHE M. ANDREINI

                        TYPE OF                            PURCHASE PRICE
     TRADE DATE       TRANSACTION       QUANTITY           IN U.S. DOLLARS
- ---------------------------------------------------------------------------
      02/04/97          PURCHASE          2,000               14.6250
      02/04/97          PURCHASE          3,000               14.6250
      02/26/97          PURCHASE          2,500               14.1250
      02/26/97          PURCHASE          2,500               14.1250
      03/03/97          PURCHASE          3,000               11.5000
      03/03/97          PURCHASE          1,000               11.5000
      03/03/97          PURCHASE          2,000               11.5000
      03/03/97          PURCHASE          2,000               11.8750
      03/03/97          PURCHASE          2,000               12.2500
      10/31/97            SOLD              500                8.3750
      11/05/97            SOLD            1,500                8.5625
      12/12/97            SOLD            1,000                7.2500
      02/18/98          PURCHASE          8,000               10.3125
      04/02/98            SOLD            1,000               11.0000
      05/05/98            SOLD            1,000                9.0000
      05/05/98            SOLD            1,000                9.0000
      05/06/98            SOLD              500                9.0000
      05/06/98            SOLD              500                9.0000
      02/19/99          PURCHASE            500                5.7500
      02/19/99          PURCHASE            500                5.8125
      02/24/99          PURCHASE            200                5.3750
      03/05/99          PURCHASE            200                5.3750
      03/11/99          PURCHASE          1,000                4.6875
      03/24/99          PURCHASE            200                5.3750
      03/25/99          PURCHASE            200                5.3125
      03/30/99          PURCHASE            200                5.0625
      03/31/99          PURCHASE            200                5.0000
      04/01/99          PURCHASE            200                5.3125
      05/05/99            SOLD            3,000                6.1250


<PAGE>


                                APPENDIX D
   TRANSACTIONS FOR THE BENEFIT OF THE ACCOUNT OF ALAN J. ANDREINI, JR.,
               UNDER ILLINOIS UNIFORM TRANSFERS TO MINORS ACT

                        TYPE OF                            PURCHASE PRICE
     TRADE DATE       TRANSACTION       QUANTITY           IN U.S. DOLLARS
- ---------------------------------------------------------------------------
      08/08/97          PURCHASE          1,000                7.8750
      05/12/98          PURCHASE          1,000                8.8125


<PAGE>


                                APPENDIX E
          TRANSACTIONS FOR THE ACCOUNT OF THE ANDREINI FOUNDATION

                        TYPE OF                            PURCHASE PRICE
     TRADE DATE       TRANSACTION       QUANTITY           IN U.S. DOLLARS
- ---------------------------------------------------------------------------
      05/06/98          PURCHASE          5,000                9.0000
      05/11/98          PURCHASE          2,000                8.7500
      05/11/98          PURCHASE          2,000                8.7500
      05/12/98          PURCHASE          1,300                8.9375
      05/12/98          PURCHASE            700                8.8750
      05/18/98          PURCHASE            200                8.5000
      05/19/98          PURCHASE          1,000                8.5000
      05/19/98          PURCHASE            200                8.5000
      06/10/98          PURCHASE          1,000                7.9375
      06/18/98          PURCHASE          2,000                6.8750
      06/24/98          PURCHASE          5,000                6.3625
      06/25/98          PURCHASE          4,600                6.2500
      06/25/98          PURCHASE          2,000                6.1250
      06/26/98          PURCHASE          2,000                6.2500
      07/10/98          PURCHASE          2,000                8.6875
      08/05/98          PURCHASE            100                7.4375
      08/12/98          PURCHASE          2,000                7.0000
      08/13/98          PURCHASE          1,000                6.9375
      09/02/98          PURCHASE          2,000                6.5000
      10/02/98          PURCHASE            500                5.9375
      10/05/98          PURCHASE            500                5.6250
      10/05/98          PURCHASE            100                5.7500
      10/09/98          PURCHASE            200                5.7500
      10/14/98          PURCHASE          1,000                5.2500
      10/14/98          PURCHASE          2,000                5.0000
      10/14/98          PURCHASE          1,000                5.0000
      10/16/98          PURCHASE          1,000                5.6875
      10/20/98          PURCHASE          1,000                5.3750
      05/05/99            SOLD            5,000                6.6250


<PAGE>


                                APPENDIX F
             TRANSACTIONS FOR THE ACCOUNT OF JANICE FUELLHART

                        TYPE OF                            PURCHASE PRICE
     TRADE DATE       TRANSACTION       QUANTITY           IN U.S. DOLLARS
- ---------------------------------------------------------------------------
      10/17/97          PURCHASE          5,000                9.2500
      10/17/97          PURCHASE          5,000                8.5000
      02/10/98          PURCHASE          2,500               10.2500
      02/13/98          PURCHASE          2,000               10.5000
      02/17/98          PURCHASE          1,000               10.6250
      03/09/98          PURCHASE            500               11.2500
      04/28/98          PURCHASE          2,000                9.3750
      05/05/98          PURCHASE          2,500                9.0000
      11/12/98          PURCHASE          1,000                6.8750


<PAGE>


                                APPENDIX G
             TRANSACTIONS FOR THE ACCOUNT OF KENDRA GOLDENWAY

                        TYPE OF                            PURCHASE PRICE
     TRADE DATE       TRANSACTION       QUANTITY           IN U.S. DOLLARS
- ---------------------------------------------------------------------------
      12/31/97          PURCHASE          1,000                9.3750
      02/10/98          PURCHASE          1,000               10.2500
      02/17/98            SOLD              100               10.3750
      02/25/98            SOLD            1,000               10.9375
      03/03/98            SOLD              900               12.4375
      04/03/98            SOLD            1,300               11.2500
      04/06/98            SOLD            2,200               10.1250
      04/07/98            SOLD              650               10.1250
      12/15/98            SOLD            2,250                5.2500
      12/16/98            SOLD            1,000                4.8750
      12/16/98            SOLD              500                5.0000
      12/22/98          PURCHASE            800                5.6250
      12/23/98          PURCHASE            300                5.6250
      12/24/98          PURCHASE            100                5.9375
      12/24/98          PURCHASE          1,000                5.8750
      12/24/98          PURCHASE          1,900                6.0000


<PAGE>


                                APPENDIX H
              TRANSACTIONS FOR THE ACCOUNT OF MICHAEL DONAHUE

                        TYPE OF                            PURCHASE PRICE
     TRADE DATE       TRANSACTION       QUANTITY           IN U.S. DOLLARS
- ---------------------------------------------------------------------------
      04/09/98          PURCHASE          5,000                9.9375
      04/15/98          PURCHASE          5,000                9.8750
      04/16/98          PURCHASE          5,000               10.2500
      04/24/98          PURCHASE          5,000                9.5625
      04/29/98          PURCHASE          5,000                9.3750
      05/05/98          PURCHASE          2,500                9.0000
      05/06/98          PURCHASE          2,500                8.9375
      05/20/98          PURCHASE          2,000                8.3125
      05/29/98          PURCHASE          5,000                8.0000
      06/05/98          PURCHASE          3,000                8.1250
      06/12/98          PURCHASE          5,000                8.0625
      06/16/98          PURCHASE          5,000                7.3750
      07/16/98          PURCHASE          5,000                8.1250
      07/17/98          PURCHASE          2,000                8.1875
      07/17/98          PURCHASE          2,000                7.8750
      07/21/98          PURCHASE          1,000                7.2813
      07/24/98          PURCHASE          1,000                8.1250


<PAGE>


                                APPENDIX I
            TRANSACTIONS FOR THE ACCOUNT OF MITCHELL D. MARROW

                        TYPE OF                            PURCHASE PRICE
     TRADE DATE       TRANSACTION       QUANTITY           IN U.S. DOLLARS
- ---------------------------------------------------------------------------
      08/03/98          PURCHASE          2,000                8.0000
      08/04/98          PURCHASE          3,000                8.0000
      08/04/98          PURCHASE          1,000                7.5000
      08/06/98          PURCHASE          1,000                7.4375
      08/10/98          PURCHASE          1,000                7.5000
      08/12/98          PURCHASE          1,000                7.0000
      08/14/98          PURCHASE          1,000                7.0625
      08/17/98          PURCHASE          1,000                6.8750
      12/15/98            SOLD            1,400                5.1875
      03/04/99            SOLD            2,600                5.1250


<PAGE>


                                APPENDIX J
                  TRANSACTIONS FOR THE ACCOUNT OF GIOVANE

                        TYPE OF                            PURCHASE PRICE
     TRADE DATE       TRANSACTION       QUANTITY           IN U.S. DOLLARS
- ---------------------------------------------------------------------------
      03/05/97          PURCHASE          5,000               11.5000
      03/31/97          PURCHASE          2,000               10.5000
      04/11/97          PURCHASE          1,000               10.3750
      05/02/97            SOLD            1,000               12.6250
      05/12/97            SOLD            1,000               13.0000
      06/05/97          PURCHASE          1,000               11.5000
      06/18/97            SOLD            1,000               12.6250
      06/25/97          PURCHASE          1,000               12.0000
      06/26/97          PURCHASE          1,000               11.8750
      07/16/97          PURCHASE          1,000                8.8750
      09/23/97            SOLD            1,000               11.2500
      11/05/97            SOLD            1,500                8.5625
      11/07/97            SOLD            1,000                8.7500
      11/07/97            SOLD            1,000                8.9375
      11/07/97            SOLD              500                8.6875
      11/07/97            SOLD            1,000                8.8750
      11/13/97            SOLD            3,000                7.7500
      02/12/98          PURCHASE          3,000               10.2500
      02/18/98          PURCHASE          2,000               10.3125
      03/11/98            SOLD            5,000               11.5000


<PAGE>


                                APPENDIX K
                   TRANSACTIONS FOR THE ACCOUNT OF BAUER

                        TYPE OF                            PURCHASE PRICE
     TRADE DATE       TRANSACTION       QUANTITY           IN U.S. DOLLARS
- ---------------------------------------------------------------------------
      03/31/97          PURCHASE          1,000               10.5000
      11/13/97            SOLD            3,000                7.7500
      02/10/98          PURCHASE          1,000               10.3125
      02/10/98          PURCHASE          1,000               10.4375
      02/12/98          PURCHASE          1,000               10.2500
      02/17/98          PURCHASE          1,000               10.6250
      02/18/98          PURCHASE          1,000               10.3125
      04/03/98            SOLD            1,300               11.2500
      04/28/98            SOLD              200                9.3125
      06/11/98            SOLD            5,500                8.0313
<PAGE>

                                APPENDIX L
                   TRANSACTIONS FOR THE ACCOUNT OF COMDISCO

                        TYPE OF                            PURCHASE PRICE
     TRADE DATE       TRANSACTION       QUANTITY           IN U.S. DOLLARS
- ---------------------------------------------------------------------------
      05/21/97          PURCHASE          80,000               8.9688
      08/15/97          PURCHASE          95,000               9.1250
      08/20/97          PURCHASE          25,000               9.5875
      08/22/97          PURCHASE           5,000               9.8750
      08/27/97          PURCHASE          15,000              10.5000
      09/03/97          PURCHASE          35,000              10.9071
      09/04/97          PURCHASE          15,000              10.8750
      09/05/97          PURCHASE          25,000              10.4500
      09/08/97          PURCHASE          20,000               9.9531
      09/19/97          PURCHASE           5,000              11.3750
      09/24/97          PURCHASE           5,000              10.5000
      09/26/97          PURCHASE           5,000              10.5000
      10/16/97          PURCHASE          18,000               9.5833
      10/17/97          PURCHASE          22,000               8.7216
      10/20/97          PURCHASE           5,000               8.3750
      10/27/97          PURCHASE          10,000               8.5000
      10/28/97          PURCHASE          15,000               7.5833
      12/15/97          PURCHASE          30,000               6.3958
      12/26/97          PURCHASE           5,000               7.7500
      12/29/97          PURCHASE           5,000               8.1875
      12/31/97          PURCHASE          10,000               9.0000
      02/24/98          PURCHASE           5,000              10.8750
      02/25/98          PURCHASE          12,500              10.7775
      03/09/98          PURCHASE           5,000              11.1875
      03/11/98          PURCHASE           5,000              11.3750
      03/18/98          PURCHASE           5,000              10.6875
      03/20/98          PURCHASE           5,000              10.2188
      03/30/98          PURCHASE           5,000              10.2500
      04/09/98          PURCHASE           5,000               9.8750
      04/23/98          PURCHASE           2,500               9.5000
      04/24/98          PURCHASE          10,000               9.5900
      05/04/98          PURCHASE           5,000               9.1875
      05/06/98          PURCHASE           5,000               8.9375
      05/07/98          PURCHASE           5,000               8.9375
      05/08/08          PURCHASE           5,000               8.8750
      05/11/98          PURCHASE           5,000               8.7500
      05/13/98          PURCHASE           5,000               8.6875
      05/20/98          PURCHASE           5,000               8.3750
      05/29/98          PURCHASE          10,000               8.0625
      05/12/98          PURCHASE           5,000               8.9375
      06/05/98          PURCHASE           5,000               8.0000
      06/12/98          PURCHASE           5,000               7.7500
      06/16/98          PURCHASE           5,000               7.3750
      06/18/98          PURCHASE           5,000               7.0000
      06/24/98          PURCHASE           5,000               6.2500
      06/25/98          PURCHASE           5,000               6.1250
      06/26/98          PURCHASE          10,000               6.2500
      07/16/98          PURCHASE          10,000               8.1250
      07/22/98          PURCHASE           2,500               7.4375
      08/12/98          PURCHASE          10,000               7.0313
      05/13/98          PURCHASE           5,000               6.9375
      08/21/98          PURCHASE           5,000               7.1250
      08/27/98          PURCHASE           2,000               7.2500
      08/28/98          PURCHASE           7,000               7.3393
      08/31/98          PURCHASE          15,000               6.8333
      09/01/98          PURCHASE          11,000               5.9733
      10/02/98          PURCHASE           3,000               5.9375
      10/05/98          PURCHASE           2,000               5.6250
      10/06/98          PURCHASE           5,000               5.7500
      10/08/98          PURCHASE           4,000               5.6875
      10/09/98          PURCHASE          20,000               5.5563
      10/13/98          PURCHASE           9,000               5.5486
      10/14/98          PURCHASE           7,000               5.1607
      10/15/98          PURCHASE           3,000               5.5000



                                                            99.1 - EXHIBIT 1

PIPER JAFFRAY     SECURITIES TRADING             Account Name   o
                  AUTHORIZATION
                                                 ------------------------------
                  (LIMITED)                      Account Number  o

                                                 ------------------------------

- -------------------------------------------------------------------------------
LIMITED TO PURCHASES AND SALES OF SECURITIES

Piper Jaffray Inc. ("Piper Jaffray")
Attention:  Records Management
222 South Ninth Street
Minneapolis, MN  55402-3804

Dear Piper Jaffray:

AUTHORIZATION OF AGENT AND INDEMNIFICATION  TO  PIPER  JAFFRAY.   I*   hereby
     authorize (print)  ______________________________  ("AGENT") as my agent
     and attorney in fact to buy, sell  (including  short sales) and trade in
     stocks,  bonds,  options and any other securities on margin or otherwise
     in accordance  with your terms and conditions for my account and risk in
     my name or number on your books. I hereby ratify and confirm any and all
     transactions  with you effected by AGENT or which AGENT shall effect for
     my account.  I hereby agree to indemnify  and hold you harmless from and
     to pay you  promptly on demand any and all losses or debit  balances due
     in my account(s).

SCOPE OF AGENT'S AUTHORITY.   For all such purchases, sales or trades you are
     authorized  to  follow  the  instructions  of  AGENT  in  every  respect
     concerning  my accounts and AGENT is  authorized to act for me and in my
     behalf in the same  manner and with the same force and effect as I might
     or could do with respect to such  purchases,  sales or trades as well as
     with  respect  to  all  other  things  necessary  or  incidental  to the
     furtherance or conduct of such purchases,  sales or trades,  except that
     AGENT is not  authorized  to  withdraw  any money,  securities  or other
     property either in my name or otherwise.

IF CUSTOMER DIES OR BECOMES INCAPACITATED.  In case of my death or incapacity
     this authorization shall continue,  and you shall not be responsible for
     any  action  taken on the  basis of this  authorization  until  you have
     received  written  notice of death or  incapacity  addressed  to you and
     delivered to you at the above address.

AUTHORIZATION  DOES NOT LIMIT PIPER JAFFRAY'S RIGHTS.  This authorization and
     indemnity  is in  addition  to (and in no way limits or  restricts)  any
     rights  which  you may have  under  any other  agreement  or  agreements
     between your firm and me.

REVOCATION  MUST BE IN  WRITING;  LIABILITIES  INCURRED  PRIOR TO REVOCATION;
     SUCCESSORS TO PIPER JAFFRAY.  This authorization and indemnity is also a
     continuing  one and shall remain in full force and effect until  revoked
     by me by a written  notice  addressed to you and delivered to you at the
     above address. Such revocation shall not affect any liability in any way
     resulting from  transactions  initiated prior to such  revocation.  This
     authorization  and indemnity  shall inure to the benefit of your present
     firm and of any successor  firm or firms  irrespective  of any change or
     changes at any time in the personnel  thereof for any cause  whatsoever,
     and of the assigns of your present firm or any successor firm.

I HAVE READ THIS TRADING AUTHORIZATION ENTIRELY BEFORE SIGNING.

<TABLE>
<CAPTION>
<S>                           <C>             <C>

- ----------------------------  -------------  ------------------------------------------------
**Customer Signature/Title    Date           AGENT Signature/Title            Date
                                             (AGENT - Please   complete
                                             reverse side of form.)

- ----------------------------  -------------
Customer Signature/Title      Date           |_| Firm Employee Discretion


- ----------------------------  -------------
Customer Signature/Title      Date

- ---------------------------------------------------------------------------------------------
INTERNAL USE ONLY

- ----------------------------  -------------  ------------------------------------------------
Branch Manager Specialist     Date           B.O.M.A.S. Signature (if         Date
                                             required)

- ----------------------------  -------------  ------------------------------------------------
Compliance Signature          Date           SROP Signature (if required)     Date
                                             |_| Options Approved
- ---------------------------------------------------------------------------------------------
*    I* means I, me, we, and customer(s), depending on number of persons
     signing this Trading Authorization.
**   If agent is signing as Power of Attorney ("POA"), "X" the corresponding
     box and provide a copy of the POA.
</TABLE>
<PAGE>
                            [Back of Agreement]

AGENT INFORMATION

- -------------------------------------------------------------------------------
Name (Please print)

- -------------------------------------------------------------------------------
Address

- -------------------------------------------------------------------------------
City                                        State        Zip

- -------------------------------------------------------------------------------
Work Phone                      Home Phone               Date of Birth
(        )                      (        )

- -------------------------------------------------------------------------------
Occupation

- -------------------------------------------------------------------------------
Employer

- -------------------------------------------------------------------------------
Past Investment Experience (Years of        Are you currently employed by Piper
Experience)                                 Jaffray?
 Stocks    |_| 0-1       |_| 1-5           |_|  Yes             |_| No
                         |_| 5 or more
                                         --------------------------------------
 Bonds     |_| 0-1       |_| 1-5         Contact name (If agent is a
                         |_| 5 or more     non-natural entity)
 Options   |_| 0-1       |_| 1-5
                         |_| 5 or more
- -------------------------------------------------------------------------------


                                                              99.2 - EXHIBIT 2
                                                       -----------------------
                                                       Account Number:


RESOLUTON AND TRADING AUTHORIZATION

This  authorizes                           (the  "NONPROFIT"),  to transact
business  with Piper Jaffray Inc.  ("Piper  Jaffray").  This  authorization
shall  continue in force until Piper  Jaffray is notified in writing of any
changes.

1.   ESTABLISHMENT AND MAINTENANCE OF PIPER JAFFRAY ACCOUNT:
     The  following  persons may  authorize  transactions  and transfers on
     behalf of the NONPROFIT:


      -------------------------------------- --------------------------------
      Name                                   Title

      -------------------------------------- --------------------------------
      Name                                   Title

      -------------------------------------- --------------------------------
      Name                                   Title

      -------------------------------------- --------------------------------
      Name                                   Title


     The  authorized   persons  listed  above,   including  the  Authorized
     Signatory to this Trading  Authorization,  are  authorized to maintain
     one or more accounts with Piper Jaffray for the purpose of transacting
     business.  The authority  hereby  conferred shall remain in full force
     and  effect  until  revoked  by written  notice  addressed  to you and
     delivered to your main office.

2.   AUTHORITY:
     The  fullest  authority  is granted to these  persons to engage in any
     transaction they deem proper,  including  authority to give written or
     oral instructions to Piper Jaffray;  to bind the NONPROFIT to carrying
     out the  transactions;  and generally to take all action  necessary in
     connection with the accounts.

3.   CUSTOMER AGREES TO ARBITRATE:

     O  ARBITRATION IS FINAL AND BINDING ON THE PARTIES.

     O  THE  PARTIES ARE  WAIVING  THEIR  RIGHT TO SEEK  REMEDIES IN COURT,
        INCLUDING THE RIGHT TO JURY TRIAL.

     O  PRE-ARBITRATION  DISCOVERY  IS  GENERALLY  MORE  LIMITED  THAN  AND
        DIFFERENT FROM COURT PROCEEDINGS.

     O  THE ARBITRATORS'  AWARD IS NOT REQUIRED TO INCLUDE FACTUAL FINDINGS
        OR LEGAL  REASONING  AND ANY  PARTY'S  RIGHT TO  APPEAL  OR TO SEEK
        MODIFICATION OF RULINGS BY THE ARBITRATORS IS STRICTLY LIMITED.

     O  THE PANEL OF  ARBITRATORS  WILL  TYPICALLY  INCLUDE A  MINORITY  OF
        ARBITRATORS   WHO  WERE  OR  ARE  AFFILIATED  WITH  THE  SECURITIES
        INDUSTRY.

     WE AGREE TO ARBITRATE  ANY DISPUTES  BETWEEN  PIPER JAFFRAY AND US. WE
     SPECIFICALLY  AGREE AND  RECOGNIZE  THAT ALL  CONTROVERSIES  WHICH MAY
     ARISE BETWEEN PIPER JAFFRAY, ITS AGENTS,  REPRESENTATIVES OR EMPLOYEES
     AND US,  CONCERNING  ANY  TRANSACTION,  ACCOUNT  OR THE  CONSTRUCTION,
     PERFORMANCE  OR  BREACH  OF THIS OR ANY OTHER  AGREEMENT  BETWEEN  US,
     WHETHER  ENTERED  INTO PRIOR,  ON, OR  SUBSEQUENT  TO THE DATE HEREOF,
     SHALL BE DETERMINED BY ARBITRATION TO THE FULL EXTENT PROVIDED BY LAW.
     SUCH ARBITRATION SHALL BE IN ACCORDANCE WITH THE RULES THEN IN EFFECT,
     OF THE ARBITRATION  COMMITTEE OF THE NEW YORK STOCK EXCHANGE,  INC. OR
     THE NATIONAL ASSOCIATION OF SECURITIES DEALERS,  INC. AS WE MAY ELECT.
     WE  AUTHORIZE  PIPER  JAFFRAY,  IF WE DO NOT  MAKE  SUCH  ELECTION  BY
     REGISTERED  MAIL  ADDRESSED TO PIPER JAFFRAY AT ITS MAIN OFFICE WITHIN
     15 DAYS AFTER RECEIPT OF  NOTIFICATION  FROM PIPER JAFFRAY  REQUESTING
     SUCH ELECTION, TO MAKE SUCH ELECTION ON OUR BEHALF.

4.   CERTIFICATION:
     The  Authorized  Signatory of the NONPROFIT is hereby  authorized  and
     empowered to certify this resolution. This certifies that this Trading
     Authorization was adopted by officials duly authorized to invest funds
     on behalf of the NONPROFIT in accordance  with all applicable laws and
     regulations.  I further  certify that the  NONPROFIT is organized  and
     existing and that the officials who took the action called for by this
     authorization  have the power to take such action. In witness whereof,
     this ___ day of ______, 1999.

     WE UNDERSTAND THIS AGREEMENT CONTAINS A PRE-DISPUTE ARBITRATION CLAUSE
     AT  PARAGRAPH 3 ABOVE,  AND WE  ACKNOWLEDGE  RECEIPT OF A COPY OF THIS
     AGREEMENT.


                              -----------------------------  ------------
                              Authorized Signatory            Date


                              -----------------------------
                              Name and Title (print)



                                                            99.3 - EXHIBIT 3
PAINEWEBBER
Established 1879
Member of all principal
security, commodity
and option exchanges


                           CORPORATE RESOLUTIONS

     FULL ACCOUNT TITLE            BRANCH     ACCOUNT NUMBER    BROKER
- ---------------------------------------------------------------------------
  Kiskiminetas Springs School
- ---------------------------------------------------------------------------


I, Lee C. Crawford  hereby  certify that I am the Secretary of  Kiskimentas
Springs School  ("Corporation") a corporation  organized and existing under
the laws of the state of Pennsylvania,  and that the following  resolutions
were duly adopted at a meeting of the Board of Directors of the Corporation
held on December 13, 1996 at which meeting a quorum was present and voting:

RESOLVED

     1)   To open  with  PaineWebber  Incorporated,  its  successor  firms,
          subsidiaries,  correspondents  or  affiliates  ("PaineWebber")  a
          brokerage  account for the  purchase and sale of  securities  and
          other property. "Securities" means, but is not limited to, money,
          stocks, bonds, options,  including stock index options,  interest
          rate options,  foreign currency options, and other securities and
          property.

     2)   That  the  Corporate  Officers  named  in the  spaces  below  are
          authorized  to act on behalf of the  Corporation  with respect to
          opening an account,  to execute on behalf of the  Corporation any
          and all  relevant  documents,  and to deal  with  PaineWebber  in
          connection  with all  aspects  of said  account  singly,  with no
          limits as to the amount thereinafter called "Authorized Person".

                      (AT LEAST TWO TO BE DESIGNATED)

(1)  John A. Pidegon, President
- -------------------------------------          ----------------------------
    (Type Name and Title of Officer)             (Signature of Officer)

(2)  Alan J. Andreini, Chairman,
     Finance Committee
- -------------------------------------          ----------------------------
    (Type Name and Title of Officer)             (Signature of Officer)

(3)
- -------------------------------------          ----------------------------
    (Type Name and Title of Officer)             (Signature of Officer)

(4)
- -------------------------------------          ----------------------------
    (Type Name and Title of Officer)             (Signature of Officer)

     3)   That  PaineWebber  is  authorized  to deal with  each  Authorized
          Person,  to accept  all orders  for  purchases  and sales and all
          instructions given verbally or in writing by him or her on behalf
          of the  Corporation  as the  action  of the  Corporation  without
          further inquiry as to his or her authority: to receive any funds,
          securities or other property for the account of the  Corporation;
          to honor  written  instructions  from each  Authorized  Person to
          deliver  either in bearer form,  in street  certificates,  in any
          names or in any  other  manner  any  funds,  securities  or other
          property held for the account of the Corporation; to extend loans
          in  connection  with  the  maintenance  of a margin  account  (if
          applicable);  to effect BankCard  transactions in connection with
          the Corporation's account (if applicable),  including use of Bank
          One's  Line  of  Credit  in   connection   with  the   MasterCard
          BusinessCard or Gold  MasterCard,  to honor written  instructions
          from  each   Authorized   Person  to  write  checks  against  the
          Corporation's  account,  and to send all confirmations,  notices,
          demands,  statements and other  communications  to the Authorized
          Person and to the Corporation, attention:

                         John A. Pidgeon, President
         ---------------------------------------------------------
         (Insert name and position of officer and office location)

     4)   That any withdrawals of money, check writing,  BankCard purchases
          (if applicable) and other  non-brokerage  transactions  including
          but not limited to obtaining letters of credit and other types of
          credit   facilities  made  on  behalf  of  the  Corporation  with
          PaineWebber  are  ratified,  confirmed  and  approved,  and  that
          PaineWebber is authorized to rely upon the authority conferred by
          these resolutions until PaineWebber  receives a certified copy of
          resolutions of the Corporation's  Board of Directors  revoking or
          modifying these resolutions.  In the event that PaineWebber,  for
          any reason,  is uncertain as to the continuing  effectiveness  of
          the  authority  conferred  by  these  resolutions  or  any  other
          resolutions  of the  Corporation,  PaineWebber  may refrain  from
          taking any action with respect to this account until such time as
          it is  satisfied as to its  authority  and  PaineWebber  shall be
          indemnified  against and held harmless from any claims,  demands,
          expenses,  loss  or  damage,  including  legal  fees  and  costs,
          resulting from or arising out of its  refraining  from taking any
          action.

     5)   That the Corporation elects (check box A or B below):

          |_|  A.  CASH ACCOUNT
                        OR
          |X|  B.  MARGIN ACCOUNT

          To open and maintain a margin  account and execute a  PaineWebber
          margin  agreement and  certifies  that the  Corporation  has full
          power and  authority  pursuant to the charter and by-laws for the
          purchase  and  sale   (including   short  sales)  of  securities,
          borrowing  money in connection  with the  maintenance of a margin
          account,  repaying  amounts  borrowed  and  paying  interest  due
          thereon.

     6)   That the  Corporation  also  elects to open  (check box A, B or C
          below):

          |_|  A. BUSINESS SERVICES ACCOUNT (BSA)
          OR
          |_|  B. RESOURCE MANAGEMENT ACCOUNT (RMA)
          OR

          |_|  C. INTERNATIONAL RESOURCE  MANAGEMENT  ACCOUNT  (IRMA)  [and
               execute   relevant   documents   and   certifies   that  the
               Corporation  has full power and  authority  pursuant  to its
               charter and by-laws to open and maintain a BSA/RMA/IRMA  and
               to  affect   any  and  all   brokerage   and   non-brokerage
               transactions in the Corporation's BSA/RMA/IRMA including but
               not limited to the options  selected  below (check all boxes
               that apply):

               |_|  1)  Check  Writing  Privilege  and  certifies  that the
                    Corporation  has full power and  authority  pursuant to
                    its  charter  and  by-laws  to  write   checks  on  the
                    BSA/RMA/IRMA in the manner  described in the Disclosure
                    Document(s) as defined in the  BSA/RMA/IRMA  Agreement.
                    2) BankCard Privileges and elects (check one box only):

                    |_| a) MasterCard  BusinessCard or Gold MasterCard with
                           margin    account   and   certifies   that   the
                           Corporation   has  full   power  and   authority
                           pursuant  to its  charter  and by-laws to affect
                           cash advances and charges on the BSA/RMA/IRMA in
                           the   manner   described   in   the   Disclosure
                           Document(s)  as  defined  in  the   BSA/RMA/IRMA
                           Agreement;  and  that the  Corporation  has full
                           power and authority  pursuant to its charter and
                           by-laws to open and  maintain  a margin  account
                           and execute a PaineWebber  margin  agreement for
                           the purchase and sale [including short sales] of
                           securities,  borrowing  money in connection with
                           the  maintenance of a margin  account,  repaying
                           amounts   borrowed   and  paying   interest  due
                           thereon.

                    OR

                    |_| b) MasterCard  BusinessCard or Gold MasterCard with
                           a  Line  of  Credit  and   certifies   that  the
                           Corporation   has  full   power  and   authority
                           pursuant  to its  charter  and by-laws to affect
                           charges  on  the   BSA/RMA/IRMA  in  the  manner
                           described   in   the    applicable    Disclosure
                           Document(s)  as  defined  in  the   BSA/RMA/IRMA
                           Agreement  and to affect the  borrowing of money
                           in connection with the maintenance of Bank One's
                           Line of Credit,  repaying  amounts  borrowed and
                           paying interest due thereon.

ATTENTION TRANSFER AGENT

     7)   That any Authorized  Person is fully  authorized and empowered to
          transfer,  convert,  endorse,  sell, assign, set over and deliver
          any  and  all  shares  of  stock,   bonds,   debentures,   notes,
          subscription  warrants,  stock  purchase  warrants,  evidence  of
          indebtedness,  or other  securities now or hereafter  standing in
          the name of or owned by this  Corporation,  and to make,  execute
          and deliver,  under the  corporate  seal of this  Corporation  or
          otherwise,  any and all written  instruments  of  assignment  and
          transfer  necessary or proper to effectuate the authority  hereby
          conferred.

     8)   That  whenever  there  shall  be  annexed  to any  instrument  of
          assignment and transfer,  executed  pursuant to and in accordance
          with the foregoing resolution,  a certificate of the Secretary or
          an Assistant  Secretary of this Corporation in office at the date
          of such  certificate and such  certificate  shall set forth these
          resolutions  and shall state that these  resolutions  are in full
          force  and  effect,  and  shall  also set  forth the names of the
          persons  who are  then  officers  of this  Corporation,  then all
          persons  to whom such  instrument  with the  annexed  certificate
          shall thereafter come, shall be entitled, without further inquiry
          or investigation  and regardless of the date of such certificate,
          to assume and to set in  reliance  upon the  assumption  that the
          shares of stock or other securities named in such instrument were
          therefore  duly  and  properly   transferred,   endorsed,   sold,
          assigned,  set over and delivered by this  Corporation,  and that
          with  respect  to  such   securities   the   authority  of  these
          resolutions  and of such  officers  is  still in full  force  and
          effect.

That  the  Secretary  or an  Assistant  Secretary  of  the  Corporation  is
authorized and described to certify to PaineWebber  that these  resolutions
have been duly adopted,  are in full force and effect and are in accordance
with the provisions of the charter and by-laws of the Corporation.

WITNESS my hand and the seal of the  Corporation at  ___________  this 13th
day of January, 1997.

                                   -------------------------------------
                                         (SIGNATURE OF SECRETARY)




                                                               Exhibit 99.4


FAX TRANSMITTAL                                                  539-030775
# Pages 1

- ---------------
TO  Kenya/Dean
CO.____________
DEPT__________
FAX#__________
- ---------------
FROM  Diane
CO. Cheevers,
Hand & Angeline,
Inc.
PHONE
#[illegible]
FAX
#[illegible]
- ---------------



                FULL TRADING AUTHORIZATION WITH PRIVILEGE TO
                      WITHDRAW MONEY AND/OR SECURITIES


     The undersigned hereby authorizes Alan Andreini (whose signature
appears below) as his agent and attorney in fact to buy, sell (including
short sales) and trade in stocks, bonds, options contracts and any other
securities and/or commodities and/or contracts relating to the same on
margin or otherwise in accordance with your terms and conditions for the
undersigned's account and risk and in the undersigned's name, or number on
your books. In addition, the undersigned hereby specifically authorizes the
aforesaid agent to make transactions which would result in uncovered short
positions in options contracts or in the uncovering of any existing short
position in options contracts. The undersigned hereby agrees to indemnify
and hold you harmless from and to pay you promptly on demand any and all
losses arising therefrom or debt balance due thereon.

     You are authorized to follow the instructions of Alan Andreini in
every respect concerning the undersigned's account with you, and make
deliveries of securities and payment of moneys to him or as he may order
and direct. In all matters and things aforementioned, as well as in all
other things necessary or incidental to the furtherance or conduct of the
account of the undersigned, the aforesaid agent and attorney in fact is
authorized to act for the undersigned and in the undersigned's behalf in
the same manner and with the same force and effect as the undersigned might
or could do.

     The undersigned hereby ratifies and confirms any and all transactions
with you heretofore or hereafter made by the aforesaid agent or for the
undersigned's account.

     This authorization and indemnity is in addition to (and in no way
limits or restricts) any rights which you may have under any other
agreement or agreements between the undersigned and your firm.

     This authorization and indemnity is also a continuing one and shall
remain in full force and effect until revoked by the undersigned by a
written notice addressed to you and delivered to your office at
___________________, but such revocation shall not affect any liability in
any way resulting from transactions initiated prior to such revocation.
This authorization and indemnity shall inure to the benefit of your present
firm and of any successor firm or firms irrespective of any change or
changes at any time in the personnel thereof for any cause whatsoever, and
of the assigns of your present firm or any successor firm.

Dated:  2/1/97

      -------------------------------------------
         (City)                        (State)



                                    SIGNATURE OF AUTHORIZED AGENT


                                    /s/ Alan J. Andreini
                                    -----------------------------

VERY TRULY YOURS,

/s/ John A. Andreini
/s/ Blanche M. Andreini"
- -----------------------




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