Fujitsu MHF2021AT, MHF2043AT, MHE2043AT, MHE2064AT manual Format of device attribute value data, 1FF

5.3 Host Commands

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	Off-line data	Off-line data collection status
	collection
16B		Number of off-line data collection segments
16C, 16D		Time required for next segments [sec].
16E		Current segment pointer
16F		Off-line data collection capability
170	Failure prediction capability flag
171
172 to 181	Reserved
182 to 1FE	Vendor unique
1FF	Check sum

C141-E057-01EN 5-59