The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 11, 2004
Filed:
Oct. 27, 2000
Applicant:
Inventor:
Sanjiv Kapil, Sunnyvale, CA (US);
Assignee:
Sun Microsystems, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/32 ;
U.S. Cl.
CPC ...
G06F 1/32 ;
Abstract
A system for implementing a power management system in a computer system using a constant time reference to support an operating system. The system uses a PCI clock signal and a CPU clock signal to generate the constant time reference such that the operating system uses the constant time reference when the power management system causes the computer system's CPU frequency to change or when the CPU frequency has changed. The power management system comprises of circuitry to interface between normal power management system operations with that of the operations used to support the operating system.