User manual

Hitachi hard disk drive specifications
217
11.42.5.4 Error log data structure
Data format of each error log structure is shown below.
Description
Bytes
Offset
1
st
error log data structure
12
00h
2
nd
error log data structure
12
0Ch
3
rd
error log data structure
12
18h
4
th
error log data structure
12
24h
5
th
error log data structure
12
30h
Error data structure
30
3Ch
90
Table 157 Error log data structure
Command data structure: Data format of each command data structure is shown below.
Description
Bytes
Offset
Device Control register
1
00h
Features register
1
01h
Sector count register
1
02h
Sector number register
1
03h
Cylinder Low register
1
04h
Cylinder High register
1
05h
Device/Head register
1
06h
Command register
1
07h
Timestamp (milliseconds from Power On)
4
08h
12
Table 158 Command data structure