Command data structure: Data format of each command data structure is shown below.
Description
Device Control register
Features register
Sector count register
LBA Low register
LBA Mid register
LBA High register
Device register
Command register
Timestamp(milliseconds from Power On)
Table 119 Command data structure
Error data structure: Data format of error data structure is shown below.
Description
Reserved
Error register
Sector count register
LBA Low register
LBA Mid register
LBA High register
Device register
Status register
Extended error data (vendor specific)
State
Life timestamp (hours)
Table 120 Error data structure
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
Reserved
x5h-xAh
Vendor specific
xBh-xFh
Note: The value of x is vendor specific
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5K250 (SATA) OEM Specification
Bytes Offset
1
1
1
1
1
1
1
1
4
12
Bytes Offset
1
1
1
1
1
1
1
1
19
1
2
30
00h
01h
02h
03h
04h
05h
06h
07h
08h
00h
01h
02h
03h
04h
05h
06h
07h
08h
1Bh
1Ch