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12.10 NOP (00h)
see below
Status
0 0 0 0 0 0 0 0
Command
Initial Value
Device/Head
1 - 1 D - - - -
Device/Head
Initial Value
Cylinder High
- - - - - - - -
Cylinder High
Initial Value
Cylinder Low
- - - - - - - -
Cylinder Low
Initial Value
Sector Number
- - - - - - - -
Sector Number
Initial Value
Sector Count
- - - - - - - -
Sector Count
see below
Error
V V V V V V V V
Feature
- - - - - - - -
Data
- - - - - - - -
Data
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Register
Command Block Input
Registers
Command Block Output
Registers
V
–
0
–
–
0
V
0
0
0
V
0
0
0
0
0
ERR
IDX
COR
DRQ
DSC
DF
RDY
BSY
AMN
T0N
ABT
0
IDN
0
UNC
CRC
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Status Register
Error Register
Figure 96. NOP Command (00h)
This command always fails with an error. The device responds with command aborted.
Output parameters to the device
Feature
Subcommand code
00H
Abort any outstanding queue
01H - FFH
Not abort any outstanding queue
The value of Sector Count, Sector Number, Cylinder High/Low, Device/Head set by host is not changed.
Deskstar 40GV & 75GXP hard disk drive specifications
126
Summary of Contents for DTLA-305040 - Deskstar 41.1 GB Hard Drive
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