AST RESEARCH, INC.         TECHNICAL BULLETIN # 0952                  7-29-04




                     PREMMIA AND IBM EISA TOKEN RING ADAPTER


PROBLEM:        After being connected to the network for over 25 minutes, the
                system locks up with no error message.

CAUSE:          There is a timing problem between IBM'S 16/4 EISA Bus Master
                Token Ring card and AST Premmia Systems.

SYSTEMS
AFFECTED:           AST                                               REVISION
                PART NUMBER        DESCRIPTION                          LEVEL
                501126-XXX      PRM 4-33S/3 4 MB                         All
                501127-XXX      PRM 4-33/3   4 MB                        All
                501128-XXX      PRM 4-50D/3 8 MB                         All
                501129-XXX      PRM 4-66SD/3 8 MB                        All

SOLUTION:       Replace IBM P/N 63F0412 with IBM P/N 1051712.  For additional
                information contact your local IBM dealer.