AST RESEARCH, INC.         TECHNICAL BULLETIN #0919                 5-3-94




   BRAVO MT MS MOUSE DRIVER 9.01 LOCKS SYSTEM WHEN EXITING WINDOWS THROUGH
                        KEYBOARD USING <Alt> + <F4>.


PROBLEM:        MS mouse driver 9.01 locks system when keys <Alt> + <F4> are
                used to exit Windows.

CAUSE:          Incompatibility between DOS 6.X EMM386.EXE and mouse driver
                9.01.

SYSTEMS            AST                                        REVISION
AFFECTED:       PART NUMBER     DESCRIPTION                    LEVEL

                501278-XXX      BRAVO MT 4-33/3 2MB 115V        All
                501310-XXX      BRAVO MT 4-50D/3 2MB 115V       All
                501279-XXX      BRAVO MT 4-66D/3 2MB 115V       All

SOLUTION:       Use default mouse driver 8.02, provided with Windows 3.1, or
                exit Windows using the upper left hand exit box.