IBM DTLA-307075 Hard Drive Specifications - Page 187

Error log data structure, Command data structure

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12.32.14.4 Error log data structure Data format of error data structure is shown below. Description 1st command data structure 2nd command data structure 3rd command data structure 4th command data structure 5th command data structure Error data structure Byte 12 12 12 12 12 30 90 Figure 134. Error log data structure Command data structure Data format of each command data structure is shown below. Offset 00h 0Ch 18h 24h 30h 3Ch Description Device Control register Features register Sector count register Sector number register Cylinder Low register Cylinder High register Device/Head register Command register Timestamp(ms from Power On) Figure 135. Command data structure Byte 1 1 1 1 1 1 1 1 4 12 Offset 00h 01h 02h 03h 04h 05h 06h 07h 08h Deskstar 40GV & 75GXP hard disk drive specifications 175

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12.32.14.4
Error log data structure
Data format of error data structure is shown below.
90
3Ch
30
Error data structure
30h
12
5th command data structure
24h
12
4th command data structure
18h
12
3rd command data structure
0Ch
12
2nd command data structure
00h
12
1st command data structure
Offset
Byte
Description
Figure 134. Error log data structure
Command data structure
Data format of each command data structure is shown below.
12
08h
4
Timestamp(ms from Power On)
07h
1
Command register
06h
1
Device/Head register
05h
1
Cylinder High register
04h
1
Cylinder Low register
03h
1
Sector number register
02h
1
Sector count register
01h
1
Features register
00h
1
Device Control register
Offset
Byte
Description
Figure 135. Command data structure
Deskstar 40GV & 75GXP hard disk drive specifications
175