IBM 560z Supplementary Manual
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
I
ò
C Data
46
+
3.3V dc
94
MD36
142
I
ò
C Clock
47
MD43
95
MD26
143
+
3.3V dc
48
MD20
96
MD37
144
+
3.3V dc
2-16
ThinkPad 560Z System Board