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US 2012/0173936 A1Published application
Channel marking for chip mark overflow and calibration errors
AssigneeInternational Business Machines Corporation
InventorsJudy S. Johnson, Luis A. Lastras-Montano, Patrick J. Meaney, Eldee Stephens
Life of this patent
Estimating the term…
Abstract
Marking memory chips as faulty when a fault is detected in data from the memory chip. Upon detecting that a plurality of memory chips are faulty, determining which of a plurality of memory channels contains the faulty memory chips. Marking one of a plurality of memory channels as failing in response to determining that the number of failing memory chips has exceeded a threshold.
Claims18
A memory system comprising:
- a plurality of memory channels comprising a plurality of memory devices, the plurality of memory devices comprising a plurality of memory chips;
- and
- a marking module for selecting and marking one of the plurality of memory channels as failing in response to determining that a number of failing memory chips has exceeded a threshold.
9-16. (canceled)
A system comprising:
- an interface to a plurality of memory channels in communication with the memory controller, the plurality of memory channels comprising a plurality of memory devices, the plurality of memory devices comprising a plurality of memory chips;
- and
- a marking module for selecting and marking one of the plurality of memory channels as failing in response to a polling operation.
Dependencies are inferred from the claim text.