Method and an apparatus for switching root cells for a...

Details Method and an apparatus for switching root cells for a... Method and an apparatus for switching root cells for a...

2008-03-25

2008-03-25

Ray, Gopal C. (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus expansion or extension

C710S104000, C713S001000, C713S100000, C719S321000

Reexamination Certificate

active

07350010

ABSTRACT:
Embodiments of the present invention pertain to methods and systems are described for switching root cells for a computer system without requiring the computer system to be re-booted. In one embodiment, objects are used to represent fixed registers associated with a first cell and a second cell of the computer system. In response to detecting that the second cell should be used instead of the first cell as a root cell for the computer system, the objects are used to communicate information between firmware and an operating system associated with the computer system, wherein the information describes the fixed registers associated with the second cell.

REFERENCES:
patent: 6065068 (2000-05-01), Foote
patent: 6819606 (2004-11-01), Benedix et al.
patent: 6823516 (2004-11-01), Cooper
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patent: 6941480 (2005-09-01), Dai
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patent: 2002/0059473 (2002-05-01), Oshins et al.
patent: 2003/0226015 (2003-12-01), Neufeld et al.
“ACPI thermal sensing and control in the PC” by J. Steele (abstract only) Publication Date: Sep. 15-17, 1998.

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