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. 05, 2004
Filed:
Dec. 13, 2001
Warren Kyle Unice, Sandy, UT (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
The present invention, which may be implemented on a general-purpose digital computer, includes methods and apparatus to provide fault-tolerant solutions utilizing single or multiple processors having support for cycle counter functionality. In an embodiment, an apparatus for provision of a fault-tolerant system is disclosed. The apparatus includes a primary system utilizing a primary cycle counter and an operating system capable of preemptive multi-processing; a secondary system utilizing a secondary cycle counter and an operating system capable of preemptive multi-processing; a communication link coupling the primary and secondary systems to enable inter-system communication; and an output facility to provide system output only from the secondary system if only the first interrupt has occurred and the first interrupt was caused by the secondary system.