    AST RESEARCH, INC.         TECHNICAL BULLETIN #0720                  11-12-91

                  AST PREMIUM 486/33 TOWER EISA AND DPTFMT PROGRAM

    PROBLEM:       When installing SCO UNIX software on a Premium 486/33 Tower
                   EISA system with the DPT Host Bus adapter provided by AST, the
                   following error will be displayed during installation:

                   "WARNING: No Configuration Information for SDisk Unit 0."

    AFFECTED
    SYSTEMS:       AST Premium 486/33 Tower EISA with the following system board:

                   202377-001

    CAUSE:         AST's DPTFMT program does not configure the hard drive type
                   properly.

    SOLUTION:      This problem has been resolved with release 1.01 of AST's
                   Driver Support Diskette.  Customers experiencing this problem
                   should contact AST and order the following Software upgrade
                   and Installation Reference document:

                   PART NUMBER       DESCRIPTION

                   910452-005     Software upgrade Revision A Release 1.01
                   001436-001A    Installation Reference document