Interface
Table 5.9 Format of insurance failure threshold value data
Byte |
| Item |
|
|
|
00 | Data format version number | |
01 |
|
|
|
|
|
02 | Attribute 1 | Attribute ID |
|
|
|
03 |
| Insurance failure threshold |
|
|
|
04 to 0D | Threshold 1 | Reserved |
| (Threshold of |
|
| attribute 1) |
|
|
|
|
0E to 169 | Threshold 2 to | (The format of each threshold value is the same as |
| threshold 30 | that of bytes 02 to 0D.) |
|
|
|
16A to 17B | Reserved |
|
|
| |
17C to 1FE | Unique to vendor | |
|
|
|
1FF | Check sum |
|
|
|
|
∙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 | |
|
|
7 | Seek error rate |
|
|
8 | Seek time performance |
|
|
9 | |
|
|
10 | Number of retries made to activate the spindle motor |
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|
