The attribute value information is 512-byte data; the format of this data is shown below. 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 below. The host can access this data using the SMART Read Attribute Thresholds subcommand (FR register = D1h).

Table 5.8 Format of device attribute value data

Byte

 

Item

 

 

 

00

 

Data format version number

01

 

 

 

02

Attribute 1

Attribute ID

 

 

 

03

 

Status flag

04

 

 

 

05

 

Current attribute value

 

 

 

06

 

Attribute value for worst case so far

 

 

 

07

 

Raw attribute value

to

 

 

 

0C

 

 

0D

 

Reserved

 

 

 

0E

Attribute 2 to

(The format of each attribute value is the same as

to

attribute 30

that of bytes 02 to 0D.)

169

 

 

16A

Reserved

 

to

 

 

16F

 

 

170

Failure prediction capability flag

171

 

 

 

 

 

172

Reserved

 

to

 

 

181

 

 

182

Vendor specific

 

to

 

 

1FE

 

 

1FF

Check sum

 

 

 

 

5 - 50

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Fujitsu MPB3054AT, MPB3032AT, MPB3052AT, MPB3021AT, MPB3043AT manual Format of device attribute value data, 1FE 1FF