Текст страницы
12.34 Receive FPDMA Queued (65h)
Table 180 RECEIVE FPDMA QUEUED command (65h)
Command Block Output Registers
Command Block Input Registers
Register
7
6
5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Data Low
-
-
-
-
-
-
-
-
Data Low
-
-
-
-
-
-
-
-
Data High
-
-
-
-
-
-
-
-
Data High
-
-
-
-
-
-
-
-
Feature
Current
V
V
V V V V V V
Error
...See Below...
Previous
-
-
-
-
-
-
-
-
Sector Count
Current
V
V
V V V -
-
-
Sector Count
HOB=0
-
-
-
-
-
-
-
-
Previous
V
V
-
-
-
-
-
-
HOB=1
-
-
-
-
-
-
-
-
Sector Number Current
V
V
V V V -
-
-
Sector Number HOB=0
-
-
-
-
-
-
-
-
Previous
-
-
-
-
-
-
-
-
HOB=1
-
-
-
-
-
-
-
-
Cylinder Low
Current
-
-
-
-
-
-
-
-
Cylinder Low
HOB=0
-
-
-
-
-
-
-
-
Previous
-
-
-
-
-
-
-
-
HOB=1
-
-
-
-
-
-
-
-
Cylinder High
Current
-
-
-
-
-
-
-
-
Cylinder High
HOB=0
-
-
-
-
-
-
-
-
Previous
-
-
-
-
-
-
-
-
HOB=1
-
-
-
-
-
-
-
-
Device/Head
-
1
-
0 -
-
-
-
Device/Head
-
-
-
-
-
-
-
-
Command
0
1
1 0 0 1 0 1
Status
…See Below…
Error Register
Status Register
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
CRC UNC 0
IDN
0
ABT
T0N
AMN
BSY RDY DF
DSC DRQ COR IDX
ERR
V
V
0
V
0
V
0
0
0
V
0
-
0
-
-
V
Table 181 RECEIVE FPDMA QUEUED Subcommand Field
Subcommand
Description
Reference
0h
Reserved
-
1h
READ LOG DMA EXT
See Section 12.34.1
2h - Fh
Reserved
-
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.
250
Hard Disk Drive Specification