Fujitsu MHM215OAT, MHM200AT, MHM2100AT, MHL2300AT manual Host Commands

5.3 Host Commands

•Data format version number

The data format version number indicates the version number of the data format of the device attribute values or insurance failure thresholds. The data format version numbers of the device attribute values and insurance failure thresholds are the same. When a data format is changed, the data format version numbers are updated.

•Attribute ID

The attribute ID is defined as follows:

Attribute ID	Attribute name
0	(Indicates unused attribute data.)
1	Read error rate
2	Throughput performance
3	Spin up time
4	Start/stop count
5	Re-allocated sector count
7	Seek error rate
8	Seek time performance
9	Power-on time
10	Number of retries made to activate the spindle motor
12	Number of power-on-power-off times
13 to 198	(Reserved)
199	Ultra ATA CRC error rate
200	Write error rate
201 to 255	(Unique to vendor)

•Status Flag

Bit	Meaning
0	If this bit 1, it indicates that if the attribute exceeds the threshold,
	it is the attribute covered by the drive warranty.
1	If this bit is 1 (0), it indicates the attribute only updated by an on-
	line test (off-line test).
2	If this bit 1, it indicates the attribute that represents performance.
3	If this bit 1, it indicates the attribute that represents an error rate.
4	If this bit 1, it indicates the attribute that represents the
	number of occurrences.
5	If this bit 1, it indicates the attribute that can be collected/saved
	even if the drive fault prediction function is disabled.
6 to 15	Reserve bit

C141-E104-02EN 5-69