STB SYSTEMS INC
SC 13G/A, 1997-02-14
COMPUTER PERIPHERAL EQUIPMENT, NEC
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                               UNITED STATES
                     SECURITIES AND EXCHANGE COMMISSION
                          Washington, D.C. 20549

                                SCHEDULE 13G

                 Under the Securities Exchange Act of 1934
                            (Amendment No. 1)*

                              STB SYSTEMS, INC.
                   --------------------------------------
                              (Name of Issuer)

                   Common Stock, par value $.01 per share
                   --------------------------------------
                       (Title of Class of Securities)

                               784741 10 0
                   --------------------------------------
                              (CUSIP Number)


   *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 the disclosures provided in a prior page.

   The information required in 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 1 of 5 Pages

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CUSIP No. 784741 10 0
          -----------

- -------------------------------------------------------------------------------
 (1) Name of Reporting Person
     S.S. or I.R.S. Identification Nos. of Above Persons
     William D. Balthaser, Jr.
     ###-##-####
- -------------------------------------------------------------------------------
 (2) Check the Appropriate Box if a Member     (a)  / /
     of a Group                                (b)  /X/
     (See Instructions)
- -------------------------------------------------------------------------------
 (3) SEC Use Only

- -------------------------------------------------------------------------------
 (4) Citizenship or Place of Organization
     United States
- -------------------------------------------------------------------------------
Number of Shares              (5) Sole Voting Power
Beneficially                      383,333 (See Item 4)
Owned by                     --------------------------------------------------
Each Reporting                (6) Shared Voting Power
Person With                       -0-
                             --------------------------------------------------
                              (7) Sole Dispositive Power
                                  383,333 (See Item 4)
                             --------------------------------------------------
                              (8) Shared Dispositive Power
                                  -0-
- -------------------------------------------------------------------------------
 (9) Aggregate Amount Beneficially Owned by Each Reporting Person
     383,333 (See Item 4)
- -------------------------------------------------------------------------------
(10) Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares
     (See Instructions) Not Applicable
- -------------------------------------------------------------------------------
(11) Percent of Class Represented by Amount in Row (9)
     8.5% (See Item 4)
- -------------------------------------------------------------------------------
(12) Type of Reporting Person
     (See Instructions) IN
- -------------------------------------------------------------------------------



                                 Page 2 of 5

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ITEM 1.(a)  NAME OF ISSUER:
            STB SYSTEMS, INC.
- -------------------------------------------------------------------------------


ITEM 1.(b)  ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
            1651 North Glenville Drive
            Richardson, Texas 75081
- -------------------------------------------------------------------------------


ITEM 2.(a)  NAME OF PERSON FILING:
            William D. Balthaser, Jr.
- -------------------------------------------------------------------------------


ITEM 2.(b)  ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
            1651 North Glenville Drive
            Richardson, Texas 75081
- -------------------------------------------------------------------------------


ITEM 2.(c)  CITIZENSHIP:
            United States
- -------------------------------------------------------------------------------


ITEM 2.(d)  TITLE OF CLASS OF SECURITIES:
            Common Stock, par value $.01 per share
- -------------------------------------------------------------------------------


ITEM 2.(e)  CUSIP NUMBER:
            784741 10 0
- -------------------------------------------------------------------------------


ITEM 3.  IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b), OR 13d-2(b),
         CHECK WHETHER THE PERSON FILING IS A:

    (a) / / Broker or Dealer registered under section 15 of the Act.

    (b) / / Bank as defined in section 3(a)(6) of the Act.

    (c) / / Insurance company as defined in section 3(a)(19) of the Act.

    (d) / / Investment company registered under section 8 of the Investment
            Company Act.

    (e) / / Investment adviser registered under section 203 of the Investment
            Advisers Act of 1940.

    (f) / / Employee benefit plan, pension fund which is subject to the
            provisions of the Employee Retirement Income Security Act of 1974
            or endowment fund; see Section 240.13d-1(b)(1)(ii)(F).

    (g) / / Parent holding company, in accordance with 
            Section 240.13d-1(b)(ii)(G) (Note: See Item 7).

    (h) / / Group, in accordance with Section 240.13d-1(b)(1)(ii)(H).

ITEM 4.  OWNERSHIP:

    (a) Amount Beneficially Owned:
        383,333 (1)
    ---------------------------------------------------------------------------

- -----------------------
(1)  Mr. Balthaser is a party to a Right of First Refusal Agreement (the 
"Agreement") between STB Systems, Inc. (the "Company"), William E. Ogle, 
Mark S. Sims and himself.  Pursuant to the terms of the Agreement, if Mr. Ogle,
Mr. Sims or Mr. Balthaser proposes to sell any shares of common stock 
registered in his


                                  Page 3 of 5

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    (b) Percent of Class:
        8.5%
    ---------------------------------------------------------------------------

    (c) Number of shares as to which such person has:

          (i) sole power to vote or to direct the vote:
              383,333(1)
              -----------------------------------------------------------------
         (ii) shared power to vote or to direct the vote:
              -0-
              -----------------------------------------------------------------
        (iii) sole power to dispose or to direct the disposition of:
              383,333(1)
              -----------------------------------------------------------------
         (iv) shared power to dispose or to direct the disposition of:
              -0-
              -----------------------------------------------------------------

ITEM 5.  OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five
percent of the class of securities, check the following  / /.


ITEM 6.  OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:
         Not applicable.
- -------------------------------------------------------------------------------


ITEM 7.  IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
         THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY:
         Not applicable.
- -------------------------------------------------------------------------------


ITEM 8.  IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:
         Not applicable.
- -------------------------------------------------------------------------------


- ----------------------
name as of the date of the closing of the Company's initial public offering, 
which includes all of the 383,333 shares listed, then the Company will have a 
right of first refusal to purchase such shares on terms similar to those 
proposed.  If the Company does not exercise its right to purchase all of the 
shares of common stock proposed to be sold by either Mr. Sims or Mr. Balthaser,
then Mr. Ogle will have a right of first refusal to purchase those shares of 
common stock that the Company does not wish to purchase.  If the foregoing 
rights of first refusal are not independently or collectively fully 
exercised, then the shares not purchased may be sold in accordance with the 
proposed terms of sale.  Notwithstanding the foregoing, the Right of First 
Refusal Agreement does not restrict the ability of Messrs. Ogle. Sims or 
Balthaser to sell shares of common stock in the public market pursuant to 
Rule 144 promulgated under the Securities Act of 1933, as amended.


                                  Page 4 of 5

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ITEM 9.  NOTICE OF DISSOLUTION OF GROUP:
         Not applicable.
- -------------------------------------------------------------------------------


ITEM 10. CERTIFICATION:
         Not applicable.
- -------------------------------------------------------------------------------


                                  SIGNATURE

    After reasonable inquiry and to the best of my knowledge and belief, I 
certify that the information set forth in this statement is true, complete 
and correct.

Dated: February 13, 1997

                                       /s/ WILLIAM D. BALTHASER, JR.
                                       ----------------------------------------
                                       William D. Balthaser, Jr.











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