US Patent 7210070 Maintenance interface unit for servicing multiprocessor systems

Patent 7210070 was granted and assigned to Unisys on April, 2007 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Unisys

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

72100700

Patent Inventor Names

Frederick George Fellenser0

Josh David Collier0

Date of Patent

April 24, 2007

Patent Application Number

106179240

Date Filed

July 11, 2003

Patent Primary Examiner

‌

Scott Baderman

Patent abstract

An apparatus containing a maintenance interface unit is described. In one exemplary implementation, the apparatus includes a multiprocessor system and the maintenance interface unit. The multiprocessor system uses cache coherency for accessing memory. The maintenance interface unit is integrated within the multiprocessor system and is configured to provide a backdoor accessibility to the multiprocessor system on-behalf of a peripheral maintenance system. The maintenance interface unit is also configured to perform operations within the multiprocessor system while maintaining the cache coherency.

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