<p>A fault tolerant data processing system includes means for maintaining copies of original index registers and copies of modified index registers such that in the event original copies of the index registers are needed, they may be restored. Thus, in the event of a rollback, original copies of the index registers may be restored to a processor (36), even if some of the index registers were modified in the previous execution of a command by the processor (36). <IMAGE></p>
申请公布号
DE3650651(T2)
申请公布日期
1998.04.09
申请号
DE19863650651T
申请日期
1986.06.11
申请人
NCR INTERNATIONAL, INC., DAYTON, OHIO, US
发明人
CORCORAN, JOHN MICHAEL, RAMONA, CA 92065, US;ARMSTRONG, ROLFE DOUGLAS, ESCONDIDO, CA 92025, US;COLE, VICTOR FRANK, SANTEE, CA 92071, US;PATEL, CHIMAN REVABHAI, ESCONDIDO, CA 92026, US
