Error protection power-on-self-test for memory cards having ECC

Details Error protection power-on-self-test for memory cards having ECC Error protection power-on-self-test for memory cards having ECC

1998-05-28

2000-05-30

Beausoliel, Jr., Robert W.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

714764, G06F 1100

Patent

active

060702559

ABSTRACT:
A method and device are provided for a SIMM or DIMM which has ECC on board and which is configured to operate during and only during the power-on-self-test operation to determine if an error has been detected in memory on the read cycle in the memory test during POST and flag that error to the CPU through the memory controller even though the error has been corrected on the SIMM or DIMM card.

REFERENCES:
patent: 5068851 (1991-11-01), Bruckert et al.
patent: 5263032 (1993-11-01), Porter et al.
patent: 5291494 (1994-03-01), Bruckert et al.
patent: 5450422 (1995-09-01), Dell
patent: 5588112 (1996-12-01), Dearth et al.

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