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:
May. 21, 2002

Filed:

Dec. 10, 1998
Applicant:
Inventors:

James Stevens Klecka, Lexington, TX (US);

William F. Bruckert, Austin, TX (US);

Robert L. Jardine, Cupertino, CA (US);

Assignee:

Compaq Computer Corporation, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/134 ;
U.S. Cl.
CPC ...
G06F 1/134 ;
Abstract

A logical processor is formed from a pair of processor units operating in close synchrony to perform self-check operations. Outputs of one of the processor units are compared to that of the other processor unit. When one of the processor units experiences an error, creating a divergence, that error and/or divergence will be made known to the Master processor which will then determine if recovery from the error can be made and, if so, save its processing state to memory, cause a reset of both processor units to an initial state to begin executing reinitialization code using the prior saved state for both processor units.


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