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11.15 NCQ NON-DATA (63h)
Com m and Block Output Registers
Register
Data Low
Data High
Current
Feature
Previous
Current
Sector Count
Previous
Current
Sector Number
Previous
Current
Cylinder Low
Previous
Current
Cylinder High
Previous
Device/Head
Command
Error Register
7
6
5
CRC
UNC
0
IDN
V
V
0
Table 126 NCQ NON-DATA command (63h)
Table 42 defines the NCQ NON-DATA subcommands. See the referenced sections for additional information in this
table.
The output from the host to the device, the command acceptance outputs for this command, the normal outputs for
this command and the error outputs for this command are subcommand specific . See 11.15.1 Abort NCQ Queue
Subcommand (0h) and 11.15.2 Deadline handling Subcommand (1h).
7
6
5
4
3
-
-
-
-
-
-
-
-
-
-
V
V
V
V
V
-
-
-
-
-
V
V
V
V
V
V
V
-
-
-
V
V
V
V
V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
-
0
-
0
1
1
0
0
4
3
2
1
0
ABT
T0N
V
0
V
0
Western Digital Hard Disk Drive OEM Specification
Com m and Block Input Registers
2
1
0
Register
-
-
-
Data Low
-
-
-
Data High
V
V
V
Error
-
-
-
-
-
-
Sector Count
-
-
-
-
-
-
Sector Number
-
-
-
-
-
-
Cylinder Low
-
-
-
-
-
-
Cylinder High
-
-
-
-
-
-
Device/Head
0
1
1
Status
0
7
6
AMN
BSY
RDY
0
0
V
153
7
6
5
4
-
-
-
-
-
-
-
-
...See Below ...
HOB=0
-
-
-
-
HOB=1
-
-
-
-
HOB=0
-
-
-
-
HOB=1
-
-
-
-
HOB=0
-
-
-
-
HOB=1
-
-
-
-
HOB=0
-
-
-
-
HOB=1
-
-
-
-
-
-
-
-
...See Below ...
Status Register
5
4
3
2
DF
DSC
DRQ
COR
0
V
-
0
3
2
1
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
0
IDX
ERR
-
V
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