Table 5.13 Self Test log data structure

 

 

 

Byte

 

Description

 

 

 

0 to 1

 

Data Structure Revision Number = 0x0001

 

 

1st Descriptor Entry

2

 

Self Test Number

3

 

Self Test Execution Status

4 to 5

 

Life time power on hours

6

 

Self Test Error No.

7 to 10

 

Error LBA

11 to 25

 

Vender Specific bytes

26 to 49

 

2nd Descriptor Entry

 

 

 

 

482 to 505

 

21st Descriptor Entry

506 to 507

 

Vender Specific

508

 

Self Test Index

509 to 510

 

Reserved

511

 

Checksum

Self Test Number

This byte shows executed Self Test Number.

Self Test Execution Status

Refer to explanation of Attribute Byte 16Bh.

Self Test Index

When it is “00h”, it means that Self Test has not been performed.

Check Sum

Twos complement of the lower byte, obtained by adding 511-byte data one by at a time from the beginning.

*16 Command data structure

It indicates that the device has received structure of the command when the drive occurs the error.

*17 Error data structure

It indicates that structure of the ATA taskfile register which the drive occurs the error.

*18 Total error count

It indicates that the total count of the error registered in the error log.

*19 Check sum

Twos complement of the lower byte, obtained by adding 511-byte data one by at a time from the beginning.

C141-E116-01EN

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Fujitsu MPG3XXXAH-E manual Self Test log data structure