Electrical computers and digital processing systems: support – Computer power control – Power conservation
Patent
1998-02-12
1999-11-02
Auve, Glenn A.
Electrical computers and digital processing systems: support
Computer power control
Power conservation
G06F 132
Patent
active
059789247
ABSTRACT:
A computer system with power saving function and a method for operating the computer system whose maloperation or halt is capable of being prevented during system management interrupt (SMI) forpower saving operation, comprises a central processing unit determining whether or not a resume operation is performed; storing, if the resume operation is performed, a present time as a resume starting time; performing the resume operation; determining, by the central processing unit, whether or not a SMI request signal for performing a power saving operation is generated so as to store a plurality of register information of the computer system in an auxiliary storage device; determining, if the SMI request signal is generated, whether the power saving operation can be performed with referring to the stored resume starting time; storing, if the power saving operation can be performed, the plurality of register information in the auxiliary storage device and setting a completion flag in a CMOS memory upon completion of storing the plurality of register information in the auxiliary storage device; and the SMI request signal is cleared so as not to perform a SMI process routine even though an additional SMI request signal is generated when the additional SMI request signal is generated prior to the elapse of a preset time.
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Auve Glenn A.
Bushnell Esq. Robert E.
Samsung Electronics Co,. Ltd
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