Table 116: Command Data Structure; Table 117: Error Data Structure - Hitachi HTS548040M9AT00 Specifications

13.38.4.5 Command data structure
Data format of each command data structure is shown below.

Table 116: Command data structure

Description
Device Control register
Features register
Sector count register
LBA Low register
LBA Mid register
LBA High register
Device register
Command register
Time stamp (milliseconds from
Power On)
13.38.4.6 Error data structure
Data format of error data structure is shown below.

Table 117: Error data structure

Description
Reserved
Error register
Sector count register
LBA Low register
LBA Mid register
LBA High register
Device register
Status register
Extended error data (vendor spe-
cific)
State
Life time stamp (hours)
State field contains a value indicating the device state when command was issued to the device.
Value State
x0h Unknown
x1h Sleep
x2h Standby
x3h Active/Idle
x4h S.M.A.R.T. Off-line or Self-test
x5h-xAh Reserved
xBh-xFh Vendor specific
Note: The value of x is vendor specific
Byte
1
1
1
1
1
1
1
1
4
12
Byte
1
1
1
1
1
1
1
1
19
1
2
30
Travelstar 5K80Hard Disk Drive Specification
168
Offset
00h
01h
02h
03h
04h
05h
06h
07h
08h
Offset
00h
01h
02h
03h
04h
05h
06h
07h
08h
1Bh
1Ch