Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
SENSE DRIVE STATUS
DATA BUS
PHASE
R/W D7 D6 D5 D4 D3
D2
D1
D0
REMARKS
Command
W
W
R
0
0
0
0
0
0
0
0
0
0
1
0
0
Command Codes
HDS DS1 DS0
Result
ST3
Status information about
FDD
SEEK
DATA BUS
PHASE
R/W D7 D6 D5 D4 D3
D2
D1
D0
REMARKS
Command
W
W
W
0
0
0
0
0
0
0
0
1
0
1
1
1
Command Codes
HDS DS1 DS0
NCN
Execution
Head positioned over
proper cylinder on
diskette.
CONFIGURE
DATA BUS
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
W
W
0
0
0
0
0
0
0
0
0
EIS EFIFO POLL
FIFOTHR
Execution
PRETRK
RELATIVE SEEK
DATA BUS
PHASE
R/W D7 D6 D5 D4 D3
D2
D1
D0
REMARKS
Command
W
W
W
1
0
DIR
0
0
0
0
0
1
0
1
1
1
HDS DS1 DS0
RCN
DUMPREG
DATA BUS
PHASE
R/W
D7
D6
0
D5
D4
D3 D2
D1
D0
REMARKS
Command
W
0
0
0
1
1
1
0
*Note:
Registers
placed in
FIFO
Execution
Result
R
R
R
R
R
R
R
R
R
R
PCN-Drive 0
PCN-Drive 1
PCN-Drive 2
PCN-Drive 3
SRT
HUT
HLT
SC/EOT
D2 D1 D0
EIS EFIFO POLL
PRETRK
ND
LOCK
0
0
D3
GAP
WGATE
FIFOTHR
SMSC LPC47M182
63
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
DATASHEET
SMSC [ SMSC CORPORATION ]
