
W83877ATF
Publication Release Date: April 1998
- 22 -
Version 0.51
(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
Command codes
0
0
0
0
0
HDS
DS1
DS0
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
W
W
W
W
W
W
MT
MFM
SK
1
0
1
1
0
Command codes
EC
0
0
0
0
HDS
DS1
DS0
---------------------- 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