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7K200 SATA OEM Specification
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14.16.3.2 Self-test descriptor index
This indicates the most recent self-test descriptor. If there have been no self-tests, this is set to zero.
Valid values for the Self-test descriptor index are 0 to 18.
14.16.3.3 Extended Self-test log descriptor entry
The content of the self-test descriptor entry is shown below.
Description Bytes Offset
Self-test number 1 00h
Self-test execution status 1 01h
Power-on life timestamp in hours 2 02h
Self-test failure check point 1 04h
Failing LBA (7:0) 1 05h
Failing LBA (15:8) 1 06h
Failing LBA (23:16) 1 07h
Failing LBA (31:24) 1 08h
Failing LBA (39:32) 1 09h
Failing LBA (47:40) 1 0Ah
Vendor specific 15 0Bh
26
Table 79 Extended Self-test log descriptor entry
14.16.4 Command Error
The following table defines the format of the Command Error data structure.
Byte 7 6 5 4 3 2 1 0
0 NQ UNL Rsv TAG
1 Reserved
2 Status
3 Error
4 LBA Low
5 LBA Mid
6 LBA High
7 Device
8 LBA Low Previous
9 LBA Mid Previous
10 LBA High Previous
11 Reserved
12 Sector Count
13 Sector Count Previous
14 – 255 Reserved
256 – 510 Vendor Unique
511 Data Structure Checksum
Table 80 Command Error information
The TAG field (Byte 0 bits 4-0) contains the tag number corresponding to a queued command, if the
NQ bit is cleared.
The UNL field (Byte 0 bit 6) indicates whether the error condition was a result of receiving an IDLE
IMMEDIATE command with the Unload Feature. If cleared to zero, the reason for the error was
not due to reception of an IDLE IMMEDIATE command with Unload Feature.