Method and system for resuming data processing in computer

Details Method and system for resuming data processing in computer Method and system for resuming data processing in computer

1995-04-13

1996-08-27

Coleman, Eric

Boots, shoes, and leggings

3642851, 3642853, 3642593, 364DIG1, G06F 124

Patent

active

055510086

ABSTRACT:
After a computer system is normally bootloaded, a resuming mode is set. When a power switch is off, a power source provides a power switch off signal. When the power switch off signal is detected and when the resuming mode flag is set, system data is stored in a file. When a predetermined time period elapses after the power switch is off or when a signal representing that the system data has been stored in the file is generated, the power source is turned off. When the power source is turned on, on the other hand, a memory is initialized. When the system data is stored in the file and when the resuming mode flag is set, the system data is read out from the file and restored in the memory. By such operations data processing can be resumed from the system state immediately prior to the turn-off of the power switch.

REFERENCES:
patent: 5339446 (1994-08-01), Yamasaki
"RAM Stores .mu.P data during ac failure" by Apte, P. R., Electronic Design, vol. 31, No. 13, 23 Jan. 1983, pp. 164-165.

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