
5.3 Host Commands
Attribute ID | Attribute name |
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|
12 | Number of |
|
|
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 |
|
|
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 |
|
|
∙Current attribute value
∙
∙
∙
The current attribute value is the normalized raw attribute data. The value varies between 01h and 64h. The closer the value gets to 01h, the higher the possibility of a failure. The device compares the attribute values with thresholds. When the attribute values are larger than the thresholds, the device is operating normally.
Attribute value for the worst case so far
This is the worst attribute value among the attribute values collected to date. This value indicates the state nearest to a failure so far.
Raw attribute value
Raw attributes data is retained.
Bits 0 to 6: Indicates the situation of