(6) Version
PHASE
Command
Result
R/W
D7 D6 D5 D4 D3 D2 D1 D0
W
0 0 010 00 0
R
1 0 010 00 0
(7) Write Data
PHASE R/W
Command
W
W
W
W
D7 D6 D5 D4 D3 D2 D1 D0
MT MFM 0 0 0 1 0 1
0 0 0 0 0 HDS DS1 DS0
---------------------- C ------------------------
---------------------- H ------------------------
W
W
W
W
W
Execution
---------------------- R ------------------------
---------------------- N ------------------------
-------------------- EOT -----------------------
-------------------- GPL -----------------------
-------------------- DTL -----------------------
Result
R
R
R
R
R
R
R
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
REMARKS
Command code
Enhanced
controller
REMARKS
Command codes
Sector ID
information prior
to Command
execution
Data transfer
between the FDD
and system
Status
information after
Command
execution
Sector ID
information after
Command
execution
29