Apparatus and method for controlling power supply for computer s

Details Apparatus and method for controlling power supply for computer s Apparatus and method for controlling power supply for computer s

1996-02-27

1998-11-10

Ray, Gopal C.

39575002, 39518212, G06F 130

Patent

active

058357807

ABSTRACT:
Upon detection of service interruption, the power supply unit gives a notice of the occurrence of service interruption to the processor unit to instruct save operation from the memory unit to the storage device, then instructs power disconnection to the second power supply section to discontinue supply of power, and continues supply of power from the power supply section to the memory unit and the storage device for save operation. The power supply control unit gives an advance notice of power disconnection to the memory unit prior to the instruction of power disconnection to the second power supply section to start save operation from the memory unit to the storage device, and upon the lapse of a prescribed period of time from the advance notice, instructs power disconnection of the second power supply section. Upon receipt of an end notice of save operation from the memory unit, the power supply control unit instructs the first power supply section to disconnect to discontinue supply of power.

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