FDC37M81X Datasheet, PDF (45/198 Pages) SMSC Corporation – PC98/99 Compliant Enhanced Super I/O Controller with Keyboard/Mouse Wake-Up

PHASE
Command
Execution
Result
READ A TRACK
DATA BUS
R/W D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
W 0 MFM 0 0 0 0
1
0 Command Codes
W 0 0 0 0 0 HDS DS1 DS0
W
-------- C --------
Sector ID information
prior to Command
execution.
W
-------- H --------
W
-------- R --------
W
-------- N --------
W
------- EOT -------
W
------- GPL -------
W
------- DTL -------
Data transfer between
the FDD and system.
FDC reads all of
cylinders' contents from
index hole to EOT.
R
------- ST0 -------
Status information after
Command execution.
R
------- ST1 -------
R
------- ST2 -------
R
-------- C --------
Sector ID information
after Command
execution.
R
-------- H --------
R
-------- R --------
R
-------- N --------
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