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:
Jul. 07, 1998
Filed:
Apr. 26, 1996
Applicant:
Inventors:
Christopher C Wanner, Tomball, TX (US);
Robert L Woods, Tomball, TX (US);
Assignee:
Compaq Computer Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395287 ; 395856 ;
Abstract
A method or apparatus of blocking access to a first device via a bus carrying an address enable signal in a computer system. A second device detects appearance of predetermined bus address information, and the address enable signal is blocked from the first device if the predetermined bus address information is present. A third device connected to the bus and the first device both are responsive to the predetermined bus address information, which includes bus addresses having upper bits with a non-zero value.