Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2006-03-24
2009-12-22
Chu, Gabriel L (Department: 2114)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C710S302000
Reexamination Certificate
active
07636867
ABSTRACT:
A serial-transmission type memory system with a hot swapping function is provided which is capable of replacing a defective memory module without stopping the system. One end of a row of memory modules is connected to one input-output section of a memory controller and the memory controller exerts control so that, when a failure occurs in any of the memory modules, by disconnecting the defective memory module from the memory module in its preceding stage and by sequentially connecting the memory module in the row of the memory modules in a next and onward stage and a spare memory module connected to another end of the row of the memory modules to the other input-output section of the memory controller in series through second read and write signal lines to gain access to each of the memory modules.
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Japanese Office Action issued Nov. 18, 2008 in connection with corresponding Japanese application No. 2005-086814.
Partial English translation of Office Action issued by Japanese Patent Office in connection with Japanese application No. 2005-086814 submitted in lieu of statement of relevancy.
Chu Gabriel L
NEC Corporation
Ostrolenk Faber LLP
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