Interface

At command completion (I-O registers setting contents)

1F7H(ST)

Status information

 

 

1F6H(DH)

×

×

×

DV

xx

 

 

 

 

 

 

1F5H(CH)

Key-failure prediction status (C2h-2Ch)

1F4H(CL)

Key-failure prediction status (4Fh-F4h)

1F3H(SN)

xx

 

 

 

 

1F2H(SC)

xx

 

 

 

 

1F1H(ER)

Error information

 

 

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 to 0C

 

Raw attribute value

 

 

 

0D

 

Reserved

 

 

 

0E to 169

Attribute 2 to

(The format of each attribute value is the same

 

attribute 30

as that of bytes 02 to 0D.)

 

 

 

16A to 16F

Reserved

 

 

 

170

Failure prediction capability flag

171

 

 

 

 

 

172 to 181

Reserved

 

 

 

 

182 to 1FE

Vendor specific

 

 

 

 

1FF

Check sum

 

 

 

 

5-56

C141-E042-01EN

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Fujitsu MHA2032AT, MHA2021AT manual Format of device attribute value data, 1FF