    AST RESEARCH, INC.         TECHNICAL BULLETIN #0754                  05-20-92

                    AST OFFICE ADVANTAGE 386SX/20 AND WINDOWS 3.0

    PROBLEM:       When using the AST Office Advantage 386SX/20 with a factory
                   installed copy of Windows 3.0, Windows will not, by default,
                   run in 386 enhanced mode.  By selecting "help" - "about" from
                   the Program Manager menu, Windows will show that it is
                   operating in "Standard Mode".

    AFFECTED
    SYSTEMS:       AST Office Advantage 386SX/20

    SOLUTION:      Enter the system set-up screen by pressing and holding
                   +  +  as the system boots.  Following the
                   instructions on the set-up screen for moving the highlight
                   bar, move to the "Shadow BIOS" field and select "Disable".
                   Save the system configuration and reboot the system.  By
                   disabling Shadow BIOS, an additional 128K of extended RAM will
                   be available for Windows.  This additional extended RAM will
                   be sufficient to allow Windows 3.0 to operate in 386 Enhanced
                   Mode without any other modifications.  Alternately, adding
                   additional memory to the system will also allow Windows 3.0 to
                   run in Enhanced Mode.