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:
Jan. 01, 2008
Filed:
May. 27, 2005
Yao-chun Su, Taipei Hsien, TW;
Ruei-ling Lin, Taipei Hsien, TW;
Jui-ming Wei, Taipei Hsien, TW;
Cheng-wei Huang, Taipei Hsien, TW;
Yao-Chun Su, Taipei Hsien, TW;
Ruei-Ling Lin, Taipei Hsien, TW;
Jui-Ming Wei, Taipei Hsien, TW;
Cheng-Wei Huang, Taipei Hsien, TW;
VIA Technologies Inc., Hsin-Tien, Taipei Hsien, TW;
Abstract
A connected indicator wire of open-drained configuration is set between a north bridge and a south bridge. When either the south or north bridge is handling a bus master request, a bus master indicator (BMI) signal is asserted to the connected indicator wire. With open-drained configuration, the signal of the connected indicator wire is capable of reflecting whether a BMI signal is asserted, and accordingly, the south bridge controls the CPU to switch between power saving states for responding to the bus master request. The CPU does not have to resume a full-function power state to coordinate a bus master service.