Table of Contents
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Oata Bus
Phase
R/W
07 06 05 04 03 02 01 00
Remarks
Read a Track
Command
W
0
MF
SK
0
0
0
1
0
Command Codes
W
X
X
X
X
X
HD US1
usa
w
C
Sector ID information
W
H
prior to command
W
R
execution,
W
N
W
EOT
W
GPL
W
DTL
Execution
Data transfer
between the FDD
and main system,
FDC reads all of
cylinder's contents
from index hole to
EOT,
Result
R
STO
Status information
R
ST 1
after command
R
ST 2
execution,
R
C
Sector ID information
R
H
after command
R
R
execution,
R
N
Read 10
Command
W
0
MF
0
0
1
0
1
0
Command Codes
W
X
X
X
X
X
HD US1
usa
Execution
The first correct ID
information on the
cylinder is stored in
data register,
Result
R
STO
Status information
R
ST 1
after command
R
ST 2
execution,
R
C
Sector ID information
R
H
during execution
R
R
phase,
R
N
10 Diskette Adapter
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