F71862
R
R
R
R
R
---------------------------- ST2 --------------------------
----------------------------- C ---------------------------
----------------------------- H ---------------------------
----------------------------- R ---------------------------
----------------------------- N ---------------------------
Sector ID
information after
command
execution.
Read A Track
Phase
R/W
D7
D6
D5
D4
D3
D2
D1
D0
Remark
Command
W
0
MFM
0
0
0
0
1
0
Command code
W
W
W
W
W
W
W
W
0
0
0
0
0
HDS
DS1
DS0
----------------------------- C ---------------------------
----------------------------- H ---------------------------
----------------------------- R ---------------------------
Sector ID
information prior to
command
execution
------------------------------ N ---------------------------
---------------------------- EOT --------------------------
---------------------------- GPL --------------------------
---------------------------- DTL --------------------------
Execution
Result
Data transfer
between the FDD
and system. FDD
reads contents of
all cylinders from
index hole to EOT.
R
R
---------------------------- ST0 --------------------------
----------------------------- ST1 --------------------------
Status information
after command
execution.
R
R
R
R
R
---------------------------- ST2 --------------------------
----------------------------- C ---------------------------
----------------------------- H ---------------------------
----------------------------- R ---------------------------
----------------------------- N ---------------------------
Sector ID
information after
command
execution.
Read ID
Phase
R/W
D7
D6
D5
D4
D3
D2
D1
D0
Remark
Command
W
0
MFM
0
0
1
0
1
0
Command code
W
0
0
0
0
0
HDS
DS1
DS0
Execution
Result
The first correct ID
information on the
cylinder is stored in
Data Register.
R
R
---------------------------- ST0 --------------------------
----------------------------- ST1 --------------------------
Status information
after command
27
July, 2008
V.28P