DRAM Expansion Connectors (J3 and J4)
2-7
2
Table 2-4. Pin Assignments for Connector J3
1
BWEB3
∗
GND
2
51
GND
BMD48
52
3
GND
BMD24
4
53
BMD49
GND
54
5
BMD25
GND
6
55
GND
BMD50
56
7
GND
BMD26
8
57
BMD51
+3.3V
58
9
BMD27
GND
10
59
+3.3V
BMD52
60
11
GND
BMD28
12
61
BMD53
GND
62
13
BMD29
GND
14
63
GND
BMD54
64
15
GND
BMD30
16
65
BMD55
+3.3V
66
17
BMD31
GND
18
67
+3.3V
BMD56
68
19
GND
BMD32
20
69
BMD57
GND
70
21
BMD33
GND
22
71
GND
BMD58
72
23
GND
BMD34
24
73
BMD59
+3.3V
74
25
BMD35
GND
26
75
+3.3V
BMD60
76
27
GND
BMD36
28
77
BMD61
GND
78
29
BMD37
GND
30
79
GND
BMD62
80
31
GND
BMD38
32
81
BMD63
+3.3V
82
33
BMD39
GND
34
83
+3.3V
BDP0
84
35
GND
BMD40
36
85
BDP1
BDP2
86
37
BMD41
GND
38
87
BDP3
GND
88
39
GND
BMD42
40
89
GND
BDP4
90
41
BMD43
GND
42
91
BDP5
BDP6
92
43
GND
BMD44
44
93
BDP7
+3.3V
94
45
BMD45
GND
46
95
+3.3V
No Conn.
96
47
GND
BMD46
48
97
B3SIZ0
B3SIZ1
98
49
BMD47
GND
50
99
B4SIZ0
B4SIZ1
100
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