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    AST RESEARCH, INC.           TECHNICAL BULLETIN # 0972             9-16-94

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                           ASCENTIA 900N PCMCIA MADGE 16/4 ADAPTER

    PROBLEM:        When using the Madge 16/4 Token Ring PCMCIA adapter with the
                    Ascentia 900N systems, the following problems occur:

                    1. The system hangs while testing the "Initialize the Adapter"
                       routine.
                    2. While running the "Initialize the Adapter" portion of the
                       Diagnostics, the following error message appears on the
                       display:

                            "Error 1113" "Undocumented error, call Madge for
                             assistance."

    CAUSE:          Madge Smart Ringnode Diagnostics program, version 3.11 is
                    incompatible with the Ascentia 900N PCMCIA controller.

    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:       Madge has issued a new version of the Software Diagnostics.
                    Call Madge Technical Support at (800) 876-2343 to obtain the
                    latest software for the Madge PCMCIA 16/4 Token Ring Adapter.