82077AA-1 Ver la hoja de datos (PDF) - Intel
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82077AA-1 Datasheet PDF : 62 Pages
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82077AA
Table 5-1 82077AA Command Set (Continued)
Phase
RW
D7
D6
D5
Command
W
MT
MFM
0
W
0
0
0
W
W
W
W
W
W
W
Execution
DATA BUS
D4
D3
D2
D1
D0
WRITE DELETED DATA
Remarks
0
1
0
0
C
H
R
N
EOT
GPL
DTL
0
0
1
Command Codes
HDS
DS1
DS0
Sector ID information prior
to Command execution
Data transfer between the
FDD and system
Result
R
R
R
R
R
R
R
Command
W
W
W
W
W
W
W
W
W
Execution
0
MFM
0
0
0
0
ST 0
ST 1
ST 2
C
H
R
N
Status information after
Command execution
Sector ID information after
Command execution
READ TRACK
0
0
0
0
C
H
R
N
EOT
GPL
DTL
0
1
0
Command Codes
HDS
DS1
DS0
Sector ID information prior
to Command execution
Data transfer between the
FDD and system FDC
reads all of cylinders
contents from index hole to
EOT
Result
R
R
R
R
R
R
R
Command
W
MT
MFM
SK
W
EC
0
0
W
W
W
W
W
W
W
Execution
ST 0
ST 1
ST 2
C
H
R
N
VERIFY
1
0
0
0
C
H
R
N
EOT
GPL
DTL SC
Status information after
Command execution
Sector ID information after
Command execution
1
1
0
Command Codes
HDS
DS1
DS0
Sector ID information prior
to Command execution
No data transfer takes
place
Result
R
R
R
R
R
R
R
ST 0
ST 1
ST 2
C
H
R
N
Status information after
Command execution
Sector ID information after
Command execution
VERSION
Command
W
0
0
0
1
Result
R
1
0
0
1
0
0
0
0
Command Code
0
0
0
0
Enhanced Controller
19
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