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11.17 SEND FPDMA QUEUED (64h)
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 134 SEND FPDMA QUEUED command (64h)
Table 135 defines the SEND FPDMA QUEUED subcommands. See the referenced sections for additional
information in this table.
Subcommand
Description
0h – 1h
Reserved
2h
WRITE LOG DMA EXT
3h – Fh
Reserved
Table 135 SEND FPDMA QUEUED Subcommand Field
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.
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
Reference
-
11.17.1 WRITE LOG DMA EXT (2h)
-
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
1
0
0
Status
0
7
6
AMN
BSY
RDY
0
0
V
163
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
-
0
-
3
2
1
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
0
IDX
ERR
-
V
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