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.

Date of Patent:
Feb. 13, 2001

Filed:

Sep. 29, 1998
Applicant:
Inventors:

David W. Rekeita, McKinney, TX (US);

Krunali Patel, Plano, TX (US);

David E. Dickens, Dallas, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/445 ; G06F 1/310 ; G06F 1/200 ;
U.S. Cl.
CPC ...
G06F 9/445 ; G06F 1/310 ; G06F 1/200 ;
Abstract

A method and apparatus for intelligent configuration register access on a PCI to PCI bridge (,) are provided. A read to configuration information of a connected PCI device (,) is identified. It is then determined whether the connected PCI device (,) is one for which the read should be trapped. If the read should not be trapped, the read is passed on to the connected PCI device (,). If the read should be trapped, the type of PCI device is determined for the connected PCI device (,). Data is then returned representing the configuration information in a format appropriate for the type of PCI device. In one aspect, the configuration information comprises the subsystem ID and subsystem vendor ID of the PCI device.


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