Method for saving generated character image in a cache system in

Details Method for saving generated character image in a cache system in Method for saving generated character image in a cache system in

1993-07-09

2000-08-08

Nguyen, Hiep T.

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

711113, 711 6, 711161, 711162, 707204, 358 114, 358 111, 358 116, G06F 1208

Patent

active

061015768

ABSTRACT:
When a control unit is in a non-operating (non-printing) state, data to be saved (character-image data) in a RAM cache memory is transferred to a disk cache memory at regular intervals in order of priority, thereby saving the data in the disk cache memory. If a power supply is cut off and then power is reintroduced, high-priority character-image data, which has been transferred from the RAM cache memory to the disk cache memory and saved in the disk cache memory when printing is not being carried out, is restored in the RAM cache memory. As a result, the high-priority data saved in the RAM cache memory when the power supply was cut off can be restored in the RAM cache memory, thereby raising the hit rate.

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