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5-20 C141-E166
5. The saved value of the MODE SELECT parameter is assumed as the
initial value of each parameter after the power-on, the RESET condition,
or the BUS DEVICE RESET message. The INIT can change the
parameter value temporary (actively) at any timing by issuing the MODE
SELECT or MODE SELECT EXTENDED command with specifying "0"
to the SP bit in the CDB.
(1) Error recovery parameter
The following parameters are used to control operations such as IDD internal error recovery:
a. Read/write error recovery parameters (page code = 1)
Parameter Default value
• AWRE:
• ARRE:
• TB:
• EER:
• PER:
• DCR:
Automatic alternate block allocation at Write
operation
Automatic alternate block allocation at read
operation
Uncorrectable data transfer to the INIT
Immediate correction of correctable error
Report of recovered error
Suppression of ECC error correction
1 (enabled)
1 (enabled)
1 (enabled)
1 (enabled)
0 (disabled)
0 (Correction is
enabled.)
• Retry count at read operation
• Retry count at write operation
• Recovery time limit
63
63
30 sec
b. Verify error recovery parameters (page code = 7)
Parameter Default value
• ERR:
• PER:
• DTE:
• DCR:
Immediate correction of recoverable error
Report of recovered error
Stop of command processing at successful
error recovery
Suppression of ECC error correction
1 (enabled)
0 (disabled)
0 (Processing is
continued.)
0 (Correction is
enabled.)
• Retry count at verification 63
c. Additional error recovery parameters (page code = 21)
Parameter Default value
• Retry count at seek error 15