W83877TF/W83877TG
-24 -
(12) Specify
PHASE R/W D7 D6 D5 D4 D3 D2 D1 D0 REMARKS
Command W
0 0 0 0 0 0 1 1
Command codes
W
W
| ---------SRT ----------- | --------- HUT ---------- |
|------------ HLT -----------------------------------| ND
(13) Seek
PHASE R/W D7 D6 D5 D4 D3 D2 D1 D0 REMARKS
Command W
0 0 0 0 1 1 1 1
Command codes
W
0 0 0 0 0 HDS DS1 DS0
W -------------------- NCN -----------------------
Execution R Head positioned over
proper cylinder on diskette
(14) Configure
PHASE R/W D7 D6 D5 D4 D3 D2 D1 D0 REMARKS
Command W
0 0 0 1 0 0 1 1
Configure information
W
0 0 0 0 0 0 0 0
W
W
0 EIS EFIFO POLL | ------ FIFOTHR ----|
| --------------------PRETRK ---------------------- |
Execution Internal registers written
(15) Relative Seek
PHASE R/W D7 D6 D5 D4 D3 D2 D1 D0 REMARKS
Command W
1 DIR 0 0 1 1 1 1
Command codes
W
0 0 0 0 0 HDS DS1 DS0
W | -------------------- RCN ---------------------------- |