Suspension state control for information processing devices such

Details Suspension state control for information processing devices such Suspension state control for information processing devices such

1995-09-05

1998-01-20

Ray, Gopal C.

Boots, shoes, and leggings

364707, 364492, 307 66, G06F 126, G06F 132

Patent

active

057109311

ABSTRACT:
An information processing apparatus according to the present invention stores suspension data in a non-volatile storage and performs a 0 V suspension process by which are turned off all power sources of the apparatus. An active suspension process is performed, by which are turned off power sources of the apparatus, excluding a power source that supplies power to the volatile storage. The 0 V suspension process is performed when a power supply voltage level is lower than a predetermined value, while the active suspension process is performed when that voltage level is higher than the predetermined level. The apparatus also predicts a processing time for a transfer unit and a power characteristic for a second storage unit. In addition, remaining power is detected using a reference value that is set at a first predetermined value in accordance with results obtained from the two predictions. The apparatus also has a storage unit that includes expanded memory areas, which are acquired by dividing available space into a plurality of blocks, and an expanded memory system, which has a plurality of page frames that are assigned to the blocks, and manages correspondence between the blocks and the page frames.

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