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:
Oct. 17, 2006
Filed:
Feb. 19, 2004
Applicants:
Yoshihiko Takeda, Kawasaki, JP;
Kentarou Yuasa, Kawasaki, JP;
Inventors:
Yoshihiko Takeda, Kawasaki, JP;
Kentarou Yuasa, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 13/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A bus connection circuit is connected by a bus to a bridge circuit having a plurality of pre-fetch buffers to access memory. A plurality of request queues and a plurality of request signal outputs and grant signal inputs are provided in a single bus connection device. By means of the single bus connection device, a plurality of pre-fetch buffers of a bridge circuit can be utilized effectively, wasted read requests corresponding to retry responses from the bridge circuit can be decreased, and consequently wasted use of a PCI bus can be reduced.