Acer 390 Series, Service Manual

Page: 185 / 204

Date: August 7, 1997 Sheet 7 of 23
Size Document Number REV
A3 96183 SD
Title
390 ACERNOTE LIGHT
DIMM SOCKET-2
ACER TAIPEI TAIWAN R.O.C
C389
SCD1U
C383
SCD1U
C384
SCD1U
C387
SCD1U
C382
SC4D7U16V6ZY
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
73
75
77
79
81
83
85
87
89
91
93
95
97
99
101
103
105
107
109
111
113
115
117
119
121
123
125
127
129
131
133
135
137
139
141
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100
102
104
106
108
110
112
114
116
118
120
122
124
126
128
130
132
134
136
138
140
142
144 143
146
145
CN25
SDIMM144
$MD0
$MD1
$MD2
$MD3
$MD32
$MD33
$MD34
$MD35
+3.3V
2,6
6
C380
SC4D7U16V6ZY
C388
SCD1U
C385
SCD1U
C386
SCD1U
C381
SC4D7U16V6ZY
$MD[0..63]
$MCAS#[0..7]
$MD[0..63]
3
1 2
1
4
7 1
3
U10A
SO4066
11 10
1
4
7 1
2
U10B
SO4066
$SMBDATA
SDRAM
8
6
6
6
6
C315
SCD1U
$MA[2..11]
$MAA0
$MAA1
$MSRAS#1
$SDRAM_CLK2
$SMBDATA_DIM1
+5V
$CLKEN0
$MSCAS#1
$MCAS#0
$MCAS#1
$MCAS#4
$MCAS#5
$MD4
$MD5
$MD6
$MD7
$MA2
$MD8
$MD9
$MD10
$MD11
$MD12
$MD13
$MD14
$MD15
$MD36
$MD37
$MD38
$MD39
$MD40
$MD41
$MD42
$MD43
$MD44
$MD45
$MD46
$MD47
$MA3
$MA4
$MA5
2
2
2
8
6
6
6
6
1
2
R332
DUMMY-R3
$SDRAM_CLK3
SDRAM_A13
SDRAM_A12
EDO_A12
EDO_A13
$CLKEN1
$MCAS#2
$MCAS#3
$MCAS#6
$MCAS#7
$MD16
$MD17
$MD18
$MD19
$MD20
$MD21
$MD22
$MD23
$MA6
$MA8
$MA9
$MA10
$MD48
$MD49
$MD50
$MD51
$MD52
$MD53
$MD54
$MD55
$MD56
$MD57
$MD58
$MD59
$MA11
$MA7
$MD24
$MD25
$MD26
$MD27
2
2
2
2
6
6
6
6
1
2
R331
DUMMY-R3
1
2
3
4 5
6
7
8
RNZ1
SRN33
$MRAS#2
$MRAS#3
$MWE#
$SMBCLK_DIM1
$DIM2_MD24
$DIM2_MD25
$DIM2_MD26
$DIM2_MD27
$SMBDATA_DIM2
$SMBCLK_DIM2
1,3,8,12
4 3
1
4
7 5
U10C
SO4066
8 9
1
4
7 6
U10D
SO4066
12 11
1
4 1 3
7
U38D
SSAHCT125
$SMBCLK
+5V
1
2
R98
100KR3
6
$MD28
$MD29
$MD30
$MD31
$MD60
$MD61
$MD62
$MD63
$SMBCLK_DIM2 $SMBDATA_DIM2