Error detection/correction and fault detection/recovery – Pulse or data error handling – Error/fault detection technique
Reexamination Certificate
2006-08-15
2006-08-15
Lamarre, Guy (Department: 2133)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Error/fault detection technique
C714S048000, C714S758000
Reexamination Certificate
active
07093190
ABSTRACT:
A method and apparatus is provided for handling parity errors within a data processing system. Each occurrence of a parity error is attributed to an addressable memory location or a block of memory locations that was being accessed when the error occurred. A memory location or a memory block is marked as unusable after a predetermined number of errors is attributed to that location or block, respectively. The predetermined number of errors that is allowed to occur prior to degradation could be two, or more. In one embodiment, the predetermined number of errors resulting in memory degradation is programmable.
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Chaudhry Nadeem T.
Kuslak John S.
Rahman Ashiqur
Alphonse Fritz
Johnson Charles A.
Lamarre Guy
McMahon Beth L.
Starr Mark T.
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