    =

    AST RESEARCH, INC.         TECHNICAL BULLETIN # 1114               3-24-95

    =

    	   BRAVO MS P/90, PREMMIA MX P/90 GPF RUNNING POWERBUILDER 3.0A

    PROBLEM

    When running PowerBuilder 3.0A, the Bravo MS P/90 or Premmia GX P/90 systems
    may experience video corruption or crash with general protection fault (GPF)
    errors.

    CAUSE

    PowerBuilder revision 3.0A's PBSTUB caused a GPF in Module USER.EXE at
    locations USER 9:0fed, 9:0579, and 0001:3A12.

    SYSTEMS AFFECTED
    AST PART NUMBER AND DESCRIPTION

    501457-501     PREMMIA GX P/90
    501651-XXX     BRAVO MS  P/90

    SOLUTION

    1. Update the PowerBuilder software to release 3.0C.  To do this, download the
    following files from Powersoft BBS (508)287-1850, Maintenance Library:

    30CDISK1.ZIP
    30CISK2.ZIP
    30CDISK3.ZIP
    30CDISK3.ZIP
    30CDISK4.ZIP
    TECHBL.WRI

    Follow the installation instructions for maintenance (release 3.0B) found in
    the TECHBL.WRI file.

    2. Powersoft's PowerBuilder software release 4.0 will also resolve the issue.
       For further information on obtaining release 4.0, contact Powersoft at
       (800) 395-3525.