Acer 61X Laptop User Manual


  Open as PDF
of 245
 
Date: February 12, 1997 Sheet 3 of 25
Size Document Number REV
A3 96149 SC
Title
370P/J (M1521 PART2)
TAIPEI TAIWAN R.O.C
ACER
1
2
3
4 5
6
7
8
RP42
SRN10
RAS#1
RAS#2
RAS#2
RAS#1
4,8,17,20,21,24
6
AD[0..31]
AD0
AD1
AD2
AD[0..31]
RASJ2
RASJ1
+5V
M
D
3
5
M
D
3
4
M
D
3
3
M
D
3
2
M
D
3
1
M
D
3
0
M
D
2
9
M
D
2
8
M
D
2
7
M
D
2
6
M
D
2
5
M
D
2
4
M
D
2
3
M
D
2
2
M
D
2
1
M
D
2
0
M
D
1
9
M
D
1
8
M
D
1
7
M
D
1
6
M
D
1
5
M
D
1
4
M
D
1
3
M
D
1
2
M
D
1
1
M
D
1
0
M
D
9
M
D
8
M
D
7
M
D
6
M
D
5
M
D
4
M
D
3
M
D
2
M
D
1
M
D
0
3.3V
MD[0..63]
M
D
3
7
M
D
3
6
MD38
MD39
MD40
MD41
MD[0..63]
+5V
M
D
0
2
8
8
M
D
1
2
2
5
M
D
2
2
2
7
M
D
3
2
0
8
M
D
4
1
9
4
M
D
5
1
8
2
M
D
6
1
6
4
M
D
7
1
5
3
M
D
8
1
1
1
M
D
9
8
0
M
D
1
0
5
9
M
D
1
1
5
8
M
D
1
2
3
8
M
D
1
3
3
6
M
D
1
4
3
5
M
D
1
5
5
3
M
D
1
6
2
4
6
M
D
1
7
2
4
8
M
D
1
8
2
0
6
M
D
1
9
1
9
2
M
D
2
0
1
8
4
M
D
2
1
1
7
3
M
D
2
2
1
6
2
M
D
2
3
1
4
4
M
D
2
4
9
9
M
D
2
5
9
7
M
D
2
6
7
8
M
D
2
7
1
9
M
D
2
8
5
7
M
D
2
9
1
7
M
D
3
0
7
6
M
D
3
1
3
4
M
D
3
2
2
6
7
M
D
3
3
2
4
7
M
D
3
4
2
2
8
M
D
3
5
2
0
5
M
D
3
6
1
9
3
M
D
3
7
1
7
4
MD38
163
MD39
152
MD40
112
MD41
98
MD42
60
MD43
20
MD44
77
MD45
56
MD46
75
MD47
54
MD48
268
MD49
226
MD50
207
MD51
195
MD52
183
MD53
172
MD54
154
MD55
143
MD56
100
MD57
79
MD58
40
MD59
39
MD60
18
MD61
37
MD62
16
MD63
55
MPD0
133
MPD1
123
MPD2
142
MPD3
113
MPD4
132
MPD5
124
MPD6
134
MPD7
122
M
A
A
0
2
6
0
M
A
A
1
2
2
0
M
A
B
0
2
8
0
M
A
B
1
2
4
0
M
A
2
3
0
1
M
A
3
2
8
1
M
A
4
2
6
1
M
A
5
2
4
1
M
A
6
2
2
1
M
A
7
2
8
2
M
A
8
2
4
2
M
A
9
3
0
3
M
A
1
0
3
0
2
M
A
1
1
2
6
2
M
W
E
J
0
2
1
9
C
A
S
J
0
1
4
1
C
A
S
J
1
1
5
1
C
A
S
J
2
1
3
1
C
A
S
J
3
1
6
1
C
A
S
J
4
1
3
0
C
A
S
J
5
1
4
0
C
A
S
J
6
1
2
0
C
A
S
J
7
1
6
0
R
A
S
J
0
/
S
C
S
J
0
1
2
1
R
A
S
J
1
/
S
C
S
J
1
1
1
0
R
A
S
J
2
/
S
C
S
J
2
1
0
9
R
A
S
J
3
/
S
C
S
J
3
9
6
R
A
S
J
4
/
S
C
S
J
4
1
7
1
R
A
S
J
5
/
S
C
S
J
5
1
8
1
R
A
S
J
6
/
S
C
A
S
J
0
1
7
0
R
A
S
J
7
/
S
R
A
S
J
0
1
8
0
AD0
15
AD1
14
AD2
33
AD3
13
AD4
52
AD5
32
AD6
12
AD7
51
AD8
11
AD9
50
AD10
30
AD11
10
AD12
49
AD13
29
AD14
9
AD15
48
AD16
47
AD17
27
AD18
7
AD19
46
AD20
26
AD21
6
AD22
45
AD23
25
AD24
66
AD25
44
AD26
24
AD27
4
AD28
23
AD29
3
AD30
22
AD31
2
CBEJ0
31
CBEJ1
28
CBEJ2
8
CBEJ3
5
F
R
A
M
E
J
8
6
D
E
V
S
E
L
J
8
9
I
R
D
Y
J
8
7
T
R
D
Y
J
8
8
S
T
O
P
J
9
1
L
O
C
K
J
8
5
R
E
Q
J
3
7
3
R
E
Q
J
2
7
1
R
E
Q
J
1
6
9
R
E
Q
J
0
6
7
G
N
T
J
3
7
4
G
N
T
J
2
7
2
G
N
T
J
1
7
0
G
N
T
J
0
6
8
P
H
O
L
D
J
6
4
P
H
L
D
A
J
6
5
P
A
R
9
2
S
E
R
R
J
9
3
R
S
T
J
2
2
3
M
R
E
Q
J
3
2
7
M
G
N
T
J
3
2
5
P
R
I
O
3
2
6
P
C
L
K
I
N
9
0
32K
285
3
V
1
0
5
3
V
1
0
6
3
V
1
1
9
3
V
2
0
1
3
V
2
0
2
3
V
1
0
7
3
V
1
0
8
3
V
1
9
0
3
V
2
0
3
3
V
2
0
4
5
V
9
4
V
S
S
2
1
4
V
S
S
9
5
V
S
S
2
2
4
V
S
S
3
0
9
V
S
S
3
1
0
V
S
S
3
1
1
V
S
S
3
1
2
V
S
S
3
1
3
V
S
S
3
1
4
V
S
S
3
1
5
V
S
S
3
1
6
V
S
S
3
1
7
V
S
S
3
1
8
V
S
S
3
1
9
V
S
S
3
2
0
V
S
S
3
2
1
V
S
S
3
2
2
V
S
S
3
2
3
V
S
S
3
2
4
5
V
S
U
S
P
J
3
2
8
U0
1521-27/B
6
1 2
R95
10KR3
1 2
R45
10KR3
1 2
R129
10KR3
MD42
MD43
MD44
MD45
MD46
MD47
MD48
MD49
MD50
MD51
MD52
MD53
MD54
MD55
MD56
MD57
MD58
MD59
MD60
MD61
MD62
MD63
MGNTJ
GNT#1
REQ#1
ALADDIN3
PCI & DRAM
M1521
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
AD16
AD17
AD18
AD19
AD20
AD21
AD22
AD23
AD24
AD25
AD26
AD27
AD28
AD29
AD30
AD31
CASJ7
CASJ6
CASJ3
CASJ2
CASJ5
CASJ1
CASJ4
CASJ0
RASJ0
MWEJ0
RASJ3 1 2
R98
10R3
1
2
3
4 5
6
7
8
RP43
SRN10
1
2
3
4 5
6
7
8
RP41
SRN10
CAS#[0..7]
RAS#0
RAS#3
MWE#0
CAS#7
CAS#6
CAS#3
CAS#2
CAS#5
CAS#1
CAS#4
CAS#0
RAS#0
MWE#0
RAS#3
6
6
6
6
6
1
2
3
4
5 6
7
8
9
10
RP16
SRP4K7
1
2
3
4
5 6
7
8
9
10
RP14
SRP4K7
CBE#[0..3]
INTA#
INTB#
INTC#
INTD#
GNT#0
CBE#0
IRDY#
TRDY#
GNT#2
SERR#
REQ#3
GNT#3
INTA#
INTB#
INTC#
INTD#
FRAME#
REQ#0
+5V
+5V
+5V
4,8,17,21
21
4
4
4,21
1
2
R99
10KR3
FRAME#
DEVSEL#
IRDY#
$P21CLK
CBE#0
CBE#1
CBE#2
CBE#3
CBE#[0..3]
IRDY#
DEVSEL#
FRAME#
+5V
4,8,17,21
4,8,17,21
7
1 2 3 4
5678
RP45
SRN10
M
A
8
M
A
9
M
A
1
0
M
A
1
1
M
R
E
Q
J
M
G
N
T
J
1 2 3 4
5678
RP44
SRN10
1 2 3 4
5678
RP46
SRN10
1
2
R110
10R3
32K2
M
A
2
M
A
3
M
A
4
M
A
5
M
A
6
M
A
7
MWEJ0
7
REMOVE BUS BRANCH:PRASJ[0..5]
1
2
R109
10R3
MA[2..11]
MAB0
MAB1
MAA0
MAA1
MREQJ
MA[2..11]
MAA0
MAA1
6
6
6
6
6
8
SERR#
PCIRST#
C
A
S
J
0
C
A
S
J
1
C
A
S
J
2
C
A
S
J
3
C
A
S
J
4
C
A
S
J
5
C
A
S
J
6
C
A
S
J
7
SERR#
PCIRST#
R
A
S
J
0
R
A
S
J
1
R
A
S
J
2
R
A
S
J
3
4
24
TRDY#
STOP#
REQ#1
GNT#1
PHOLD#
PHLDA#
PAR
LOCK#
PERR#
PAR
PHLDA#
PHOLD#
GNT#0
GNT#1
GNT#2
GNT#3
REQ#1
REQ#3
STOP#
TRDY#
LOCK#
REQ#0
REQ#2
+5V
4,8,17,21
4,8,17,21
4,17,21
21
21
4,8,17,21
17,21
1
2
3
4
5 6
7
8
9
10
RP15
SRP4K7
STOP#
PERR# CBE#1
CBE#3
CBE#2
LOCK#
DEVSEL#
REQ#2
+5V
+5V
 previous next