Data processing system having selective data save and address tr

Details Data processing system having selective data save and address tr Data processing system having selective data save and address tr

1991-04-25

1995-05-30

Rudolph, Rebecca L.

Boots, shoes, and leggings

395400, 364DIG1, 364268, G06F 1216

Patent

active

054209960

ABSTRACT:
A main memory has a plurality of divided storage areas. A central processing unit saves data from each storage area of the main memory into an auxiliary memory during a normal operation of a computer system, and sets a flag corresponding to each storage area, from which the data is saved, in a state indicating the end of a save operation. In addition, when data stored in the main memory is updated, the central processing unit changes the flag into a state indicating an incomplete save state. When the computer system must be stopped, the central processing unit saves data, of the data stored in the main memory, only from a storage area for which the flag indicates an incomplete save state into the auxiliary memory, thereby shortening the time required for save processing.

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