Data storage unit with cyclic error detection and avoidance
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United States of America Patent
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N/A
Issued Date -
Aug 23, 2001
app pub date -
Feb 14, 2001
filing date -
Jul 24, 1997
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods and apparatus are described for a data transfer unit between a storage unit and a host, wherein a slower data transfer rate is established when a predetermined error is detected. In one embodiment the cyclicity of the error occurrence calculated and a wait is inserted between data to avoid transferring data at the calculated cyclicity point of the detected error. Optionally the data transfer unit may return the data transfer rate to the original data transfer rate or state after a predetermined time has elapsed, after a predetermined number of commands have been received, after a predetermined amount of data have been transferred, or by combination of these.
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