Log Directory; Error Log Sector; Table 119. S.m.a.r.t. Log Directory; Table 120. S.m.a.r.t. Error Log Sector - Hitachi 7K100 - Travelstar - Hard Drive Specifications

13.39.4 S.M.A.R.T. Log Directory
Table 118 defines the 512 bytes that make up the S.M.A.R.T. Log Directory. The S.M.A.R.T. Log Directory is on
S.M.A.R.T. Log Address zero and is defined as one sector long.
Table 119: S.M.A.R.T. Log Directory
Description
S.M.A.R.T. Logging Version
Number of sectors in the log at log address 1
Reserved
Number of sectors in the log at log address 2
Reserved
...
Number of sectors in the log at log address 255
Reserved
The value of the S.M.A.R.T. Logging Version word shall be 01h. The logs at log addresses 80-9Fh are defined as
16 sectors long.
13.39.5 S.M.A.R.T. error log sector
The following defines the 512 bytes that make up the S.M.A.R.T. error log sector. All multibyte fields shown in
these data structures follow the ATA/ATAPI-6 specifications for byte ordering.
Table 120: S.M.A.R.T. error log sector
Description
S.M.A.R.T. error log version
Error log pointer
1st error log data structure
2nd error log data structure
3rd error log data structure
4th error log data structure
5th error log data structure
Device error count
Reserved
Data structure checksum
13.39.5.1 S.M.A.R.T. error log version
This value is set to 01h.
13.39.5.2 Error log pointer
This points to the most recent error log data structure. Only values 1 through 5 are valid.
13.39.5.3 Device error count
This field contains the total number of errors. The value will not roll over.
Byte
1
1
90
90
90
90
90
2
57
1
512
Travelstar 7K100 Hard Disk Drive Specification
176
Bytes Offset
2 00h
1 02h
1 03h
1 04h
1 05h
... ...
1 1FEH
1 1FFh
512
Offset
00h
01h
02h
5Ch
B6h
110h
16Ah
1C4h
1C6h
1FFh