Soft error recovery system and method

Details Soft error recovery system and method Soft error recovery system and method

1995-02-08

1996-06-25

Beausoliel, Jr., Robert W.

Excavating

365201, 371 211, G06F 1100

Patent

active

055307051

ABSTRACT:
A method for reducing errors in data read from a disk drive comprises the steps of: determining errors in data read from a transducer in the disk drive; correcting the errors in data through the use of error correction circuitry; maintaining a metric of the errors in data that are read from the transducer; and when the metric reaches a threshold value, applying a toggle procedure to the transducer in an attempt to improve the transducer's performance. The method further contemplates periodically applying a toggle procedure to the transducer in an attempt to reduce the errors in data, in addition to the application of a toggle procedure when the threshold value is reached.

REFERENCES:
patent: 3704363 (1972-11-01), Salmassy et al.
patent: 3790954 (1974-02-01), Devore et al.
patent: 4866712 (1989-09-01), Chao
patent: 4922491 (1990-05-01), Coale
patent: 4993029 (1991-02-01), Galbraith et al.
patent: 5053892 (1991-10-01), Supino, Jr. et al.
patent: 5090014 (1992-02-01), Polich et al.

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