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                                    FORM 15

      [As adopted in Release No. 34-20784, March 22, 1984, 49 F.R. 12688.]

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                     FORM 15

Certification and Notice of Termination of Registration under Section 12(g) of
the Securities Exchange Act of 1934 or Suspension of Duty to File Reports Under
Sections 13 and 15(d) of the Securities Exchange Act of 1934.

                             Commission File Number

                        DIAMOND MULTIMEDIA SYSTEMS, INC.
             (Exact name of registrant as specified in its charter)


         2880 JUNCTION AVENUE, SAN JOSE, CA 95134-1922, (408) 325-7000
    (Address, including zip code, and telephone number, including area code,
                  of registrant's principal executive offices)

                         COMMON STOCK, $0.001 PAR VALUE
            (Title of each class of securities covered by this Form)

                                      NONE
      (Titles of all other classes of securities for which a duty to file
                 reports under section 13(a) or 15(d) remains)

    Please place an X in the box(es) to designate the appropriate rule
provision(s) relied upon to terminate or suspend the duty to file reports:

              Rule 12g-4(a)(1)(i)      /X/    Rule 12h-3(b)(1)(ii)    / /
              Rule 12g-4(a)(1)(ii)     / /    Rule 12h-3(b)(2)(i)     / /
              Rule 12g-4(a)(2)(i)      / /    Rule 12h-3(b)(2)(ii)    / /
              Rule 12g-4(a)(2)(ii)     / /    Rule 15d-6              / /
              Rule 12h-3(b)(1)(i)      /X/

    Approximate number of holders of record as of the certificate or notice
date: ONE (1)

    Pursuant to the requirements of the Securities Exchange Act of 1934, Diamond
Multimedia Systems, Inc. has cause this certification/notice to be signed on its
behalf by the undersigned duly authorized person.

Date:  September 30, 1999              By: /s/ WILLIAM J. SCHROEDER
                                           -------------------------------------
                                           William J. Schroeder
                                           President and Chief Executive Officer