Date: February 12, 1997 Sheet 11 of 25
Size Document Number REV
A3 96149 SC
Title 370P/J (NS87336 SUPER I/O)
TAIPEI TAIWAN R.O.C
ACER
C161
SCD1U
C162
SCD1U
PSOUT1
PRTS1#
PDTR1#
PSIN1
PDSR1#
PCTS1#
PRI1#
PDCD1#
+5V
12
12
12
1212
12
1212
SB: CHANGE MAX213 TO MAX3243
C163
SCD1U
C164
SCD1U
C1+
28
C1-
24
C2+
1
C2-
2
T1IN
14
T2IN
13
T3IN
12
R2OUTB
20
R1OUT
19
R2OUT
18 R3OUT
17 R4OUT
16
R5OUT
15
FORCEON
23
FORCEOFF#
22
INVALID#
21
V+ 27
V- 3
T1OUT 9
T2OUT 10
T3OUT 11
R1IN 4
R2IN 5
R3IN 6
R4IN 7
R5IN 8
GND 25
VCC 26
U2
MAX3243
RI1#
SOUT1
RTS1#
SIN1
DSR1#
CTS1#
DTR1#
DCD1#
RI1#
+5V
8
BUSYP
I
R
Q
3
I
R
Q
4
I
R
Q
5
I
R
Q
6
I
R
Q
7
P
D
0
P
D
1
P
D
2
P
D
3
P
D
4
P
D
5
P
D
6
P
D
7
ERROR#
INIT#
SLCTIN#
SLCT
PE
BUSYP
ACK#
STROB# 12
IRQ[3..7]
PD[0..7]
+5V
12
4
RSTDRV
SD[0..7]
IOW#
IOR#
AEN
0WS#
DRQ2
DACK#2
TC $P24M
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
SA9
SA8
SA7
4
44
4,13
4,8
4
4
4,9,10,13,15
24
7
CS1/ZWS
1
DRQ2
2
DACK2
3
TC
4
X1/OSC
5
X2
6
VSSC
7
D7
8
D6
9
D5
10
D4
11 D3
12
D2
13
D1
14
D0
15
WR
16
RD
17
AEN
18
A9
19
A8
20
A7
21
A6
22
A5
23
A4
24
A3
25
A
2
2
6
A
1
2
7
A
0
2
8
A
1
0
2
9
D
S
K
C
H
G
3
0
D
R
Q
1
3
1
H
D
S
E
L
3
2
R
D
A
T
A
3
3
W
P
3
4
T
R
K
O
3
5
W
G
A
T
E
3
6
W
D
A
T
A
3
7
S
T
E
P
3
8
D
I
R
3
9
V
S
S
B
4
0
M
T
R
1
/
I
D
L
E
4
1
D
R
0
4
2
D
R
1
/
P
D
4
3
M
T
R
0
4
4
I
N
D
E
X
4
5
D
E
N
S
E
L
/
A
D
R
A
T
E
1
4
6
D
R
V
2
/
P
N
F
/
D
R
2
3
/
S
I
R
Q
1
3
4
7
V
D
D
B
4
8
D
R
A
T
E
1
/
M
S
E
N
1
/
C
S
0
/
S
R
I
Q
1
2
4
9
D
R
A
T
E
0
/
M
S
E
N
0
5
0
IOCHRDY 51
DACK1 52
DACK0 53
DRQ0 54
IRQ9 55
IRQ10 56
IRQ11 57
IRQ15/SIRQI1 58
VSSE 59
R12/A11 60
DTR2/A12 61
CTS2/A13 62
SOUT2/BOUT2/CFG0/IIRTX 63
RTS2/A14 64
SIN2/IRRX1 65
DSR2/IRRX2/IRQ12 66
DCD2/A15 67
RI1 68
DTR1/CFG1 69
CTS1 70
SOUT1/BOUT1/BOUT1/BADDR1 71
RTS1/BADDRO 72
SIN1 73
DSR1 74
DCD1 75
A
F
D
/
D
S
T
R
B
/
D
E
N
S
E
L
7
6
E
R
R
/
H
D
S
E
L
7
7
I
N
I
T
/
D
I
R
7
8
S
L
I
N
/
S
T
E
P
/
A
S
T
R
B
7
9
S
L
C
T
/
W
G
A
T
E
8
0
P
E
/
W
D
A
T
A
8
1
B
U
S
Y
/
W
A
I
T
/
M
T
R
1
8
2
A
C
K
/
D
R
1
8
3
P
D
7
/
M
S
E
N
1
8
4
P
D
6
/
D
R
A
T
E
0
8
5
P
D
5
/
M
S
E
N
0
8
6
P
D
4
/
D
S
K
C
H
G
8
7
V
S
S
D
8
8
P
D
3
/
R
D
A
T
A
8
9
P
D
2
/
W
P
9
0
P
D
1
/
T
R
K
O
9
1
P
D
0
/
I
N
D
E
X
9
2
S
T
B
/
W
R
I
T
E
9
3
I
R
Q
7
9
4
I
R
Q
6
9
5
I
R
Q
5
/
A
D
R
A
T
E
0
9
6
V
D
D
C
9
7
I
R
Q
4
9
8
I
R
Q
3
9
9
M
R
1
0
0U6
87336Q
AUTOFD#
IRQ11
IRQ10
IRQ9
SA[11..15]IRQ15
SA15
SA14
SA13
SA12
SA11
SOUT1
RTS1#
RI1#
DSR1#
SIN1
CTS1#
DTR1#
DCD1#
SOUT2
4
44
4
4,13
1 2
R141
10KR3
1 2
R140
10KR3
1 2
R139
10KR3
1 2
R44
10KR3
RTS1#
SOUT1
SOUT2
DTR1#
C23
SCD1U
DACK#0
DACK#1
DRQ0
IOCHRDY#
+5V
+5V
4
4
4
4
DR0#
MTR1#
RPM
INDEX#
MTR0#
DR1#
MTR0#
1412
14 14
14
12
SA[0..10]
DRQ1
WGATE#
TRK0#
WRTPRT#
RDATA#
HDSEL
DSKCHG
SA6
SA5
SA4
SA3
SA2
SA1
SA0
SA10
4
4
12,14
12,14 14
12,14
12,14
FDIR
STEP#
WDATA#
12,14
12,14
14
12,14
1
2
3
4 5
6
7
8
RP27
SRN33
1
2
3
4 5
6
7
8
RP30
SRN33
INIT#
SLCTIN#
ERROR#
SLCT
PE
ACK#
AUTOFD#
STROB#
PAUTOFD#
PERROR#
PINIT#
PSLCTIN#
PSLCT
PPE
PACK#
PSTROB#
PAUTOFD#
PERROR#
PINIT#
PSLCTIN#
PSLCT
PPE
PACK#
PSTROB#
12
12
1212
12
12 1212