The attribute value information is 512-byte data; the format of this data is shown in Table 5.9. The host can access this data using the SMART Read Attribute Values subcommand (FR register

=D0h). The insurance failure threshold value data is 512-byte data; the format of this data is shown in Table 5.10. The host can access this data using the SMART Read Attribute Thresholds subcommand (FR register = D1h).

 

 

Table 5.9

Device attribute data structure

 

 

 

 

 

 

 

Byte (Hex)

 

 

 

 

 

Description

 

 

 

 

 

 

 

00

Data structure revision number *1

01

 

 

 

 

 

 

02

1st

attribute

 

Attribute ID number *2

03

 

 

 

 

 

Status flag *3

04

 

 

 

 

 

 

 

 

 

 

 

05

 

 

 

 

 

Normalized attribute values *4

 

 

 

 

 

 

 

06

 

 

 

 

 

Worst ever normalized *5

 

 

 

 

 

 

 

07

 

 

 

 

 

Raw attribute values *6

to

 

 

 

 

 

 

 

 

 

 

 

0C

 

 

 

 

 

 

0D

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

0E

2

nd

to 30

th

 

Reserved

to

 

 

 

attribute

 

 

(Each attribute format is the same as 1st attribute.)

169

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16A

Off-line data

 

Off-line data collection status *7

 

 

 

collection

 

 

16B

 

Self Test execution status byte *8

 

 

 

 

 

 

 

 

 

 

 

 

 

16C

 

 

 

 

 

Off-line data collection executing times (sec)

16D

 

 

 

 

 

 

 

 

 

 

 

16E

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

16F

 

 

 

 

 

Off-line data collection capability *9

 

 

 

 

 

 

 

 

 

 

 

 

 

170

SMART capability flag *10

171

 

 

 

 

 

 

172

Drive error logging capability *11

 

 

 

 

 

 

 

 

173

Self Test failure checkpoint

 

 

 

 

 

 

 

 

174

Quick Test completion time (min) *12

 

 

 

 

 

 

 

 

175

Comprehensive Test completion time (min) *13

 

 

 

 

 

 

 

 

176

Reserved

 

 

to

 

 

 

 

 

 

 

 

181

 

 

 

 

 

 

182

Vendor unique

to

 

 

 

 

 

 

1FE

 

 

 

 

 

 

1FF

Check sum *14

 

 

 

 

 

 

 

 

5 - 54

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Fujitsu MPG3XXXAT manual Device attribute data structure, 1FE 1FF