System architecture providing redundant components to...

Details System architecture providing redundant components to... System architecture providing redundant components to...

2006-03-21

2006-03-21

Baderman, Scott (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C712S011000, C714S013000, C714S031000

Reexamination Certificate

active

07017074

ABSTRACT:
A semiconductor device, such as a multiprocessor chip for a computer system, includes a total number of on-board components which is greater than the number of that component required by the system. The chip may be provided with multiple I/O controllers, e.g. more than one controller per I/O interface, and the I/O controllers can act as backups to one another, with failover logic controlling the backup process. In addition, the number of processors formed on the chip may be greater than the number required by the system, allowing multiple levels of redundancy and greater successful manufacturing yields.

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