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Figure 2-11. DIMM Connector Pin Assignments
Pin Signal Pin Signal Pin Signal
1 Ground 49 MD42 97 MD25
2 Ground 50 MD21 98 MD38
3 MD15 51 MD41 99 MD24
4 MD48 52 MD22 100 MD39
5 MD14 53 MD40 101 +3.3V dc
6 MD49 54 MD23 102 +3.3V dc
7 MD13 55 Ground 103 MA6
8 MD50 56 Ground 104 MA7
9 MD12 57 Ground 105 MA8
10 MD51 58 Ground 106 MA11
11 +3.3V dc 59 Ground 107 Ground
12 +3.3V dc 60 Ground 108 Ground
13 MD11 61 not connected 109 MA9
14 MD52 62 Not connected 110 Ground
15 MD10 63 +3.3V dc 111 MA10
16 MD53 64 +3.3V dc 112 Ground
17 MD9 65 Not connected 113 +3.3V dc
18 MD54 66 Not connected 114 +3.3V dc
19 MD8 67 −WE 115 −CAS3
20 MD55 68 Not connected 116 −CAS4
21 Ground 69 −RAS2 117 −CAS7
22 Ground 70 Not connected 118 −CAS0
23 −CAS1 71 −RAS3 119 Ground
24 −CAS6 72 Not connected 120 Ground
25 −CAS5 73 Ground 121 MD56
26 −CAS2 74 Not connected 122 MD7
27 +3.3V dc 75 Ground 123 MD57
28 +3.3V dc 76 Ground 124 MD6
29 MA0 77 Ground 125 MD58
30 MA3 78 Ground 126 MD5
31 MA1 79 Ground 127 MD59
32 MA4 80 Ground 128 MD4
33 MA2 81 +3.3V dc 129 +3.3V dc
34 MA5 82 +3.3V dc 130 +3.3V dc
35 Ground 83 MD31 131 MD60
36 Ground 84 MD32 132 MD3
37 MD47 85 MD30 133 MD61
38 MD16 86 MD33 134 MD2
39 MD46 87 MD29 135 MD62
40 MD17 88 MD34 136 MD1
41 MD45 89 MD28 137 MD63
42 MD18 90 MD35 138 MD0
43 MD44 91 Ground 139 Ground
44 MD19 92 Ground 140 Ground
45 +3.3V dc 93 MD27 141 IC Data
46 +3.3V dc 94 MD36 142 IC Clock
47 MD43 95 MD26 143 +3.3V dc
48 MD20 96 MD37 144 +3.3V dc
ThinkPad 560/560E System Board 2-15