    AST RESEARCH, INC.         TECHNICAL BULLETIN #0868               09-22-93

              POWEREXEC EL, EXTERNAL VIDEO ADAPTERS AND POWER STATION

    When the PowerExec EL is connected to the Power Station, the use of an
    external video adapter is not supported.

    System initialization will fail because the PowerExec EL is identified by
    using a unique video BIOS call.  If an external video adapter is used, this
    call will differ from the EL call causing a failure when initializing the
    system