AST RESEARCH, INC        TECHNICAL BULLETIN #0914                  4-18-94




           POWEREXEC EXTENDED MEMORY ERRORS WITH CheckIt SOFTWARE


PROBLEM:        When using CheckIt 3.0 software from Touchstone Software
                Corporation, on a 4/25 SL PowerExec, memory errors occur
                during extended mode test.

CAUSE:          CheckIt 3.0 software incompatibility when selecting extended
                mode test.

SYSTEMS             AST                                     REVISION
AFFECTED:       PART NUMBER     DESCRIPTION                   LEVEL

                500936          386/25 SL POWEREXEC Mono        All
                500937          386/25 SL POWEREXEC Color       All
                501259          4/25 SL POWEREXEC Mono          All
                501260          4/25 SL POWEREXEC ColorPlus     All
                501191          4/33 SL POWEREXEC Mono          All
                501192          4/33 SL POWEREXEC ColorPlus     All

SOLUTION:       Upgrade to CheckIt PRO software.