Power management of a computer system using a power button

Details Power management of a computer system using a power button Power management of a computer system using a power button

1998-03-12

2000-03-14

Auve, Glenn A.

Electrical computers and digital processing systems: support

Computer power control

714 24, G06F 126

Patent

active

060386711

ABSTRACT:
When a computer system's power button is depressed a timer is begun, an operating system visible status flag is set, and an interrupt is sent to the operating system indicating power button activation. If the operating system does not clear the flag within a specified time period, the computer system is considered to be in an error (e.g., "hung" state) and the computer system is powered down.

REFERENCES:
patent: 5495569 (1996-02-01), Kotzur
patent: 5627867 (1997-05-01), Thomson
patent: 5627962 (1997-05-01), Goodrum et al.
patent: 5918059 (1999-06-01), Tavallaei et al.

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