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 guarantee failure thresholds. The data format version numbers of the device attribute values and guarantee 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 | Reallocated Sector Count |
|
|
7 | Seek Error Rate |
|
|
8 | Seek Time Performance |
9 | |
|
|
10 | Spin Retry Count |
|
|
12 | Drive Power Cycle Count |
192 | Emergency Retract Cycle Count |
|
|
193 | Load/Unload Cycle Count |
|
|
194 | HDA Temperature |
195 | ECC On the Fly Count |
|
|
196 | Reallocated Event Count |
197 | Current Pending Sector Count |
198 | |
|
|
(199) | (Ultra ATA CRC Error Count) |
200 | Write Error Rate |
|
|
203 | Run Out |
|
|
240 | Transfer Error Rate |
| * If the device receives the reset during |
| transferring the data, the transfer error is |
| counted up. |