Hitachi HTS541616J9SA00 Command Error, Self-test log data structure revision number, Description

Models: HTS541640J9SA00 HTS541616J9SA00 HTS541680J9SA00 HTS541612J9SA00 HTS541660J9SA00

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Travelstar 5K160 (SATA) Hard Disk Drive Specification

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

14.16.3.1Self-test log data structure revision number

The value of this revision number shall be 01h.

14.16.3.2Self-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.

14.16.3.3Extended 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

 

 

14.16.4Command 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

 

 

 

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Hitachi HTS541616J9SA00 Command Error, Self-test log data structure revision number, Self-test descriptor index, Bytes