Fujitsu MHW2060BK - Mobile 60 GB Hard Drive, Maintenance Manual

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Interface
(49) WRITE UNCORRECTABLE EXT (X '39')
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Description
In this command, it is a purpose to make the uncorrectable error for specified
LBA intentionally. It reports on the uncorrectable error in the LBA against
corresponding LBA after this command ends the lead operation etc.
However, if a usual light operates afterwards even when the uncorrectable error is
made by this command, it is recoverable. The command is specified by Logical
Form (LBA), and the data transfer is unnecessary.
Moreover, SC was demanded and when "0000h" was specified, the processing of
65536 sectors was demanded.
Error re after the recovering transaction is done, disk write error that occurs while
executing this command is reported.
The write operation ends in the sector (Even if it is during the block) where the
error occurs. In this case, the number of sectors of remainder since the sector
where the logical block address and the error where the error occurs occur is set in
the shadow block register.
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Error reporting conditions
(1) The command was issued in CHS mode
(ST = 51h, ER = 04h)
(2) When you specify excess the address of a possible write.
(ST = 51h, ER = 10h)
(3) When you specify excess the address of a possible light during the write.
(ST = 51h, ER = 10h)
(4) When you detect the write fault.
(ST = 71h, ER = 10h)
(5) When you issue the command in the CHS mode.
(ST = 51h, ER =04h)
(6) When the SATA communication error occurs.
(ST = 51h, ER = 14h)
(7) When you detect the errors other than the above-mentioned.
(ST = 51h, ER = 04h)
5-164 C141-E261