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HP Q153090901 User Manual

Page 77

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MODE SELECT 15h/55h

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PER

Post Error. Although this bit is changeable, the drive’s internal behavior always

corresponds to PER=0.

0 The drive does not report CHECK CONDITION for recovered errors. The DTE

bit must also be zero.

1 The drive reports CHECK CONDITION for recovered errors.

DTE

Disable Transfer on Error

0 Always set to 0, meaning that the drive will not terminate the transfer for errors

recovered within the limits established by the read-write error parameters.

DCR

Disable Correction

0 Always set to 0, meaning that the use of error correction codes for error

recovery is allowed.

Read Retry Count

The number of times the drive will attempt its recovery algorithm during a read

operation before reporting an unrecoverable error.

0 The drive will not use its recovery algorithm during read operations.

15h The drive will attempt 21 retries.

Write Retry Count The number of times the drive will attempt its recovery algorithm during a write

operation before reporting an unrecoverable error.

0 The drive will not use its recovery algorithm during read operations.

0Ah The value for all Ultrium drives, giving 10 retries.