                                                             Last Revised
    AST RESEARCH, INC.        TECHNICAL BULLETIN # 1756          09/09/97

    TITLE:  Bravo Lockups and Intel Pro 100B

    ISSUE

       When using the NDIS driver, version 2.22, on a Bravo MS or MS-T
       system, the unit may lockup or a General Protection Fault Error
       (GPF) may occur during the Windows 95 shutdown process, or during
       a system warm boot. These intermittent errors may generally be
       seen after shutting down or warm-booting the system five to six
       times.

       This issue may affect the following systems: 503246, 503247,
       503250, 503251, 503320, 503321, 503322, 503323, 503417, and
       503418 or any system utilizing an Intel Pro 100B network card.

    BACKGROUND

       N/A

    ACTION

       Upgrade the Windows 95 Intel Pro 100B drivers to version 2.51 or
       higher. Obtain file 100BDISK.EXE from Intel's web page at
       www.intel.com.

       For installation instructions, run Setup/README from the command
       prompt on the Intel Pro 100B driver diskette.

    NOTES

       To verify the NDIS driver version, run the Intel Proset utility
       that is included on the driver diskette.

    TAN TPR 2400RK

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