    AST RESEARCH, INC.         TECHNICAL BULLETIN #0677                  05-02-91

                   GIGATREND TAPE BACK-UP UNIT AND PREMIUM 386/33

    The Gigatrend Model 1235 tape back-up unit is not compatible with the Premium
    386/33 Cupid system.  When attempting back-up the following error message
    will be displayed:

              RAM Parity errors - offending segment XXXX

    There is no resolution at this time and Marketing has determined that this
    problem will not be fixed.