Method and system for operating system quiescent state

Details Method and system for operating system quiescent state Method and system for operating system quiescent state

2006-08-08

2006-08-08

Lee, Thomas (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

Reexamination Certificate

active

07089433

ABSTRACT:
Information handling system functions performed with an information handling system operating system in a quiescent state, such as ROM flashing, diagnostics BIOS warning screens and hard disc drive backup, are supported through an operating system quiescent state initiated by a simulated power down state which leaves one or more processing components of the information handling system operational. For instance, an operating system utility sets a BIOS flag and pointer so that an ACPI S3 power down state places the operating system in a quiescent state but an S3 suspend call from the operating system is intercepted and a quiescent state function called by the BIOS. Recovery of the operating system from the quiescent state is initiated with the BIOS so that a reboot of the information handling system is avoided.

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patent: 6954851 (2005-10-01), Natu

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