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    AST RESEARCH, INC.           TECHNICAL BULLETIN # 0946                6-27-94

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                 ASCENTIA 900N EPP DRIVER COMPATIBILITY IN DOCKING STATION

    PROBLEM:        When the Ascentia 900N is docked to the AST Power Station, the
                    custom Enhanced Parallel Port (EPP) device driver will not
                    work with devices attached to the Power Station’s parallel
                    port, (e.g., Xircom Ethernet Adapter).

    CAUSE:          The EPP device driver shipped with Ascentia 900N computer is
                    intended only for devices attached directly to the Ascentia’s
                    parallel port.

    SYSTEMS
    AFFECTED:           AST                                              REVISION
                    PART NUMBER           DESCRIPTION                      LEVEL

                    501299-2XX      ASCENTIA 900N 4/50 CS10                 All
                    501300-3XX      ASCENTIA 900N 4/50 CT9                  All
                    501302-2XX      ASCENTIA 900N 4/75 CS10                 All
                    501304-3XX      ASCENTIA 900N 4/75 CT10                 All

    SOLUTION:       When attaching the Ascentia 900N to the Power Station’s
                    parallel port, use the drivr provided with the parallel port
                    device.