Method and apparatus to reduce bandwidth overhead of CRC protection on a memory channel

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United States of America Patent

PATENT NO 11593196
SERIAL NO

17539813

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Abstract

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A method and/or system for checking the bus/interface between a host and a memory system during memory access operations includes a memory system having one or more of the data memory devices and a spare memory device; providing a bus/interface between a host and the memory system; selecting information on a per memory device basis to associate with a spare memory device; disassociating the selected information from the one or more data memory devices and associating the selected information with the spare memory device; adding Cyclical Redundancy Check (CRC) code to the one or more data memory devices from which the selected information was disassociated; transferring the CRC code and information over the bus and interface between the host and the memory system; and checking the bus interface with the CRC code added to the one or more data memory devices.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cordero, Edgar R Round Rock, US 63 521
Glancy, Stephen Yorktown, US 9 31
Kim, Kyu-hyoun Chappaqua, US 207 2632
Maule, Warren E Cedar Park, US 156 3299
Mcilvain, Kevin M Delmar, US 27 106

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