Acer 61X Laptop User Manual


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Date: February 12, 1997 Sheet 4 of 25
Size Document Number REV
A3 96149 SC
Title
370P/J (M1523 PCI TO ISA & IDE CONTROLLER)
TAIPEI TAIWAN R.O.C
ACER
1 2
R88
10KR3
PULLL2
+5V
TC
SYSCLK
BALE
SBHE#
SIRQI
RTCROMCS#
KBCS#
IRQ1
IRQ8#
REFRESH#
MEMCS16#
IOCS16#
$1523SMI#
$1523INIT
TC
SYSCLK
BALE
SBHE#
SIRQI
RTCROMCS#
KBCS#
IRQ8#
IRQ1
REFRESH#
11,24
13
13
14
9,13,24
10,24
10
9
13
13
13
8
8
1
2
R12
10KR3
1
2
R11
4K7R3
$CPURST
$IGNNE#
$A20M#
$FERR#
$NMI
PWRGOOD
$ALA14M
$1523INTR
$23STP#
EXTSW#
P
U
L
L
L
2
P
U
L
L
L
3
2
3
U
S
B
C
K
3.3V
1
1
1
1
23
7
8
13
AD31
73
AD30
74
AD29
75
AD28
76
AD27
77
AD26
78
AD25
79
AD24
80
AD23
83
AD22
84
AD21
85
AD20
86
AD19
87
AD18
88
AD17
89
AD16
90
AD15
100
AD14
101
AD13
102
AD12
103
AD11
106
AD10
107
AD9
108
AD8
109
AD7
111
AD6
112
AD5
113
AD4
114
AD3
115
AD2
116
AD1
117
AD0
118
INTAJ_MI
67
INTBJ_S0
68
INTCJ_S1
69
INTDJ_S2
70
FRAMEJ
92
IRDYJ
93
TRDYJ
94
DEVSELJ
95
STOPJ
96
SERRJ
97
PAR
98
CBEJ3
81
CBEJ2
91
CBEJ1
99
CBEJ0
110
PHLDAJ
65
PHOLDJ
66
PCICLK
71
I
D
E
_
D
1
5
1
3
5
I
D
E
_
D
1
4
1
3
2
I
D
E
_
D
1
3
1
3
0
I
D
E
_
D
1
2
1
2
8
I
D
E
_
D
1
1
1
2
6
I
D
E
_
D
1
0
1
2
4
I
D
E
_
D
9
1
2
2
I
D
E
_
D
8
1
1
9
I
D
E
_
D
7
1
2
1
I
D
E
_
D
6
1
2
3
I
D
E
_
D
5
1
2
5
I
D
E
_
D
4
1
2
7
I
D
E
_
D
3
1
2
9
I
D
E
_
D
2
1
3
1
I
D
E
_
D
1
1
3
3
I
D
E
_
D
0
1
3
6
I
D
R
Q
0
1
3
7
I
D
R
Q
1
1
3
8
I
D
E
I
O
W
J
1
3
9
I
D
E
I
O
R
J
1
4
0
I
D
E
R
D
Y
1
4
1
I
D
A
K
J
0
1
4
2
I
D
A
K
J
1
1
4
3
I
D
E
_
A
1
1
4
4
I
D
E
_
A
2
1
4
5
I
D
E
_
A
0
1
4
6
I
D
E
P
C
S
1
J
1
4
7
I
D
E
P
C
S
3
J
1
4
8
I
D
E
S
C
S
1
J
1
4
9
I
D
E
S
C
S
3
J
1
5
0
L
A
2
3
8
L
A
2
2
1
0
L
A
2
1
1
2
L
A
2
0
1
8
L
A
1
9
1
9
L
A
1
8
2
1
L
A
1
7
2
3
S
A
1
9
1
7
5
S
A
1
8
1
7
7
S
A
1
7
1
7
9
S
A
1
6
1
8
1
S
A
1
5
1
8
5
S
A
1
4
1
8
7
S
A
1
3
1
8
8
S
A
1
2
1
9
0
S
A
1
1
1
9
2
S
A
1
0
1
9
3
S
A
9
1
9
5
S
A
8
1
9
7
S
A
7
1
9
9
S
A
6
2
0
1
S
A
5
2
0
3
S
A
4
2
0
5
S
A
3
2
0
7
SA2
3
SA1
4
SA0
5
SD8
29
SD9
31
SD10
33
SD11
35
SD12
37
SD13
39
SD14
41
SD15
42
XD7
161
XD6
162
XD5
163
XD4
165
XD3
167
XD2
168
XD1
170
XD0
171
IRQ15
20
IRQ14
22
IRQ12/MDATA
155
IRQ11
13
IRQ10
11
IRQ9
164
IRQ7
194
IRQ6
196
IRQ5
198
IRQ4
200
IRQ3
202
DREQ7
38
DREQ6
34
DREQ5
30
DREQ3
186
DREQ2
166
DREQ1
189
DREQ0
25
DACKJ7/DAK_SEL2
36
DACKJ6/DAK_SEL1
32
DACKJ5/DAK_SEL0
28
DACKJ3/PCSJ
184
DACKJ2/DACKOJ
204
DACKJ1/DMAREQ
48
DACKJ0/DMAACKJ
47
SMEMWJ/RTCAS
174
SMEMRJ/LMEGJ
176
IOWJ
178
IORJ
180
MEMRJ
24
MEMWJ
27
IOCHRDYJ
172
AEN
173
XDIR
159
IOCHKJ
160
NOWSJ
169
R
E
F
S
H
J
1
9
1
T
C
2
0
6
S
Y
S
C
L
K
1
8
3
R
T
C
R
O
M
C
S
J
1
5
8
B
A
L
E
2
S
B
H
E
J
6
M
1
6
J
7
I
O
1
6
J
9
K
B
I
N
H
/
I
R
Q
1
1
5
1
K
B
C
L
K
/
K
B
C
S
J
1
5
2
K
B
D
A
T
A
1
5
3
M
S
C
L
K
1
5
4
S
I
R
Q
I
4
4
S
I
R
Q
I
I
/
I
R
Q
8
J
4
5
R
T
C
3
2
K
O
1
5
R
T
C
3
2
K
I
1
6
C
P
U
R
S
T
4
9
S
M
I
J
/
A
P
I
C
C
S
J
5
0
S
T
P
C
L
K
J
/
A
P
I
C
G
N
T
5
1
I
N
T
R
5
4
I
G
N
N
E
J
5
5
A
2
0
M
J
5
6
F
E
R
R
J
6
2
R
S
T
D
R
V
5
7
E
X
T
S
W
/
A
P
I
C
R
E
Q
J
6
1
N
M
I
5
8
P
W
G
1
7
O
S
C
1
4
M
4
3
U
S
B
P
1
0
5
9
U
S
B
P
1
1
6
0
U
S
B
C
L
K
4
6
SPKR
63
SPLED
64
V
S
S
1
V
S
S
2
6
V
S
S
5
2
V
S
S
8
2
V
S
S
1
0
4
V
S
S
1
3
4
V
S
S
1
5
7
V
S
S
1
8
2
VDD/VBAT
14
V
C
C
4
0
V
C
C
7
2
V
C
C
1
0
5
V
C
C
1
2
0
V
C
C
1
5
6
V
C
C
2
0
8
3
V
5
3
U32
M1523
SPKR
SPLED
SPKR
SPLED
+5V
3.3V
1,24
16,24
24
8
AD[0..31]
AD31
AD30
AD29
AD28
AD27
AD26
AD25
AD24
AD23
AD22
AD21
AD20
AD19
AD18
AD17
AD16
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
AD7
AD6
AD[0..31]
ALADDIN3
PCI-ISA BRIDGE
&
IDE
AEN
IOCHRDY#
XDIR
IOCHK#
DACK#0
DACK#1
DACK#2
DACK#3
0WS#
DRQ0
DRQ1
DRQ2
DRQ3
DRQ5
DRQ6
DRQ7
RTCAS
IRQ3
IRQ4
IRQ5
IRQ6
IRQ3
IRQ4
IRQ5
IRQ6
MEMWJ
MEMRJ
IOWJ
IORJ
11,13,15
11,13
13,24
13
11,15
11,15
11
15
11,13
11,13,15
11,13,15
11,13
13,15
13
13
13
9
11,13,15,21
11,13,15,21
11,13,15,21
11,13,15,21
1 2
R169
10KR3
1 2
R91
33R3
1 2
R48
33R3
1 2
R49
10KR3
IOR#
IOW#
PULLL3
IORJ
IOWJ
23USBCK
10,11,13,15,24
10,11,13,15,24
1 2
R223
33R3
1 2
R221
33R3
MEMR#
MEMW#
MEMRJ
MEMWJ
9,13
9,13
SD[0..15]
IRQ7
IRQ9
IRQ10
IRQ11
IRQ12
IRQ14
IRQ15
SA0
SA1
SA2
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
SD15
SD14
SD13
SD12
SD11
SD10
SD9
SD8
IRQ7
IRQ9
IRQ10
IRQ11
IRQ12
IRQ14
IRQ15
9,10,11,13,15
11,13,15,21
11,13,15,21
11,13,15,21
10,13,21
13,14,21
11,13,14
11,13,15,21
M1523
INTA#
INTB#
INTC#
INTD#
FRAME#
IRDY#
TRDY#
DEVSEL#
STOP#
PAR
CBE#[0..3]
PHLDA#
PHOLD#
SERR#
$P23CLK
AD5
AD4
AD3
AD2
AD1
AD0
CBE#3
CBE#2
CBE#1
CBE#0
INTA#
INTB#
INTC#
INTD#
FRAME#
IRDY#
TRDY#
DEVSEL#
STOP#
SERR#
PAR
PHLDA#
PHOLD#
CBE#[0..3]
$P23CLK
3,8,17,21
3,8,17,21
3,8,17,21
3,8,17,21
3,17,21
3,8,17,21
3,17,21
21
3
3
3,21
C175
SCD1U
IDEIOWJ
IDEIORJ
IDERDY
IDE_DRQ0
IDE_DRQ1
IDE_DACK0#
IDE_DACK1#
DSA1
DSD[0..15]
DSD[0..15]
3.3V
14
14
14
7
14
14
14
14
14
14
S
A
1
7
S
A
1
6
S
A
1
5
S
A
1
4
S
A
1
3
S
A
1
2
S
A
1
1
L
A
2
3
L
A
2
2
L
A
2
1
L
A
2
0
L
A
1
9
L
A
1
8
L
A
1
7
LA[17..23]
IDEIOWJ
IDEIORJ
IDERDY IDEPCS1J
IDEPCS3J
IDESCS1J
IDESCS3J
IDE_DRQ0
IDE_DRQ1
IDE_DACK0#
IDE_DACK1#
DSA1
DSA2
DSA0
D
S
D
0
D
S
D
1
D
S
D
2
D
S
D
3
D
S
D
4
D
S
D
5
D
S
D
6
D
S
D
7
D
S
D
1
5
D
S
D
1
4
D
S
D
1
3
D
S
D
1
2
D
S
D
1
1
D
S
D
1
0
D
S
D
9
D
S
D
8
SA[0..16]
LA[17..23]
IDEPCS1J
IDEPCS3J
IDESCS1J
IDESCS3J
SA17
DSA2
DSA0
SA18
SA19
S
A
1
0
S
A
9
S
A
8
S
A
7
S
A
6
S
A
5
S
A
4
S
A
3
SA[0..16]
8,9,10,11,13,15
13
14
14
14
14
13
14
14
13
13
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