Hitachi HTS541680J9SA00 Specifications - Page 102

Command Error

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Travelstar 5K160 (SATA) Hard Disk Drive Specification Descriptor entry 1 26 Descriptor entry 2 26 ... Descriptor entry 18 26 Vendor specific 2 Reserved 11 Data structure checksum 1 512 04h 1Eh 1D8h 1F2h 1F4h 1FFh Figure 56 Extended Self-test log data structure These descriptor entries are viewed as a circular buffer. The nineteenth self-test shall create a descriptor entry that replaces descriptor entry 1. The next self-test after that shall create a descriptor entry that replaces descriptor entry 2, etc. All unused self-test descriptors shall be filled with zeros 14.16.3.1 Self-test log data structure revision number The value of this revision number shall be 01h. 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 Self-test number Self-test execution status Power-on life timestamp in hours Self-test failure check point Failing LBA (7:0) Failing LBA (15:8) Failing LBA (23:16) Failing LBA (31:24) Failing LBA (39:32) Failing LBA (47:40) Vendor specific Figure 57 Extended Self-test log descriptor entry Bytes 1 1 2 1 1 1 1 1 1 1 15 26 Offset 00h 01h 02h 04h 05h 06h 07h 08h 09h 0Ah 0Bh 14.16.4 Command Error Figure 58 defines the format of the Command Error data structure. Byte 0 1 2 3 4 5 7 6 5 4 3 2 1 0 NQ Reserved TAG Reserved Status Error LBA Low LBA Mid 102/167

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Travelstar 5K160 (SATA) Hard Disk Drive Specification
102/167
Descriptor entry 1
26
04h
Descriptor entry 2
26
1Eh
...
Descriptor entry 18
26
1D8h
Vendor specific
2
1F2h
Reserved
11
1F4h
Data structure checksum
1
1FFh
512
Figure 56 Extended Self-test log data structure
These descriptor entries are viewed as a circular buffer. The nineteenth self-test shall create a
descriptor entry that replaces descriptor entry 1. The next self-test after that shall create a
descriptor entry that replaces descriptor entry 2, etc. All unused self-test descriptors shall be filled
with zeros
14.16.3.1
Self-test log data structure revision number
The value of this revision number shall be 01h.
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
Figure 57 Extended Self-test log descriptor entry
14.16.4
Command Error
Figure 58 defines the format of
the Command Error data structure
.
Byte
7
6
5
4
3
2
1
0
0
NQ
Reserved
TAG
1
Reserved
2
Status
3
Error
4
LBA Low
5
LBA Mid