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5K320 SATA OEM Specification
157
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
LBA Low register 1
03h
LBA Mid register 1
04h
LBA High register 1
05h
Device register 1
06h
Command register 1
07h
Timestamp(milliseconds from Power On) 4
08h
12
Table 120 Command data structure
Error data structure: Data format of error data structure is shown below.
Description Bytes
Offset
Reserved 1
00h
Error register 1
01h
Sector count register 1
02h
LBA Low register 1
03h
LBA Mid register 1
04h
LBA High register 1
05h
Device register 1
06h
Status register 1
07h
Extended error data (vendor specific) 19
08h
State 1
1Bh
Life timestamp (hours) 2
1Ch
30
Table 121 Error data structure
State field c ontains 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