Acer 390 Series Service Manual page 185

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