
W83977TF
PRELIMINARY
Publication Release Date: April 1998
-23 -
Revision 0.62
(4) Read ID
PHASE
R/W
D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
Command
W
W
0 MFM 0 0 1 0 1 0
0 0 0 0 0 HDS DS1 DS0
Command codes
Execution
The first correct ID
information on the cylinder
is stored in Data Register
Result
R
R
R
R
R
R
R
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
Status information after
command execution
Disk status after the
command has been
completed
(5) Verify
PHASE
R/W
D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
Command
W
W
MT MFM SK 1 0 1 1 0
EC 0 0 0 0 HDS DS1 DS0
Command codes
W
W
W
W
W
W
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
-------------------- EOT -----------------------
-------------------- GPL -----------------------
-------------------- DTL/SC -------------------
Sector ID information prior
to command execution
Execution
No data transfer takes
place
Result
R
R
R
R
R
R
R
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
Status information after
command execution
Sector ID information after
command execution