IBM NetVista X40 Technical Information Manual page 30

Technical information manual for netvista 2179 and 6643 machines.
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Table 20. System memory connector pin assignments
Pin
x64 nonparity
23
VSS
24
NC
25
NC
26
VCC
27
/WE
28
DQMB0
29
DQMB1
30
/S0
31
DU
32
VSS
33
A0
34
A2
35
A4
36
A6
37
A8
38
A10/AP
39
NC
40
VCC
41
VCC
42
CK0
43
VSS
44
DU
45
/S2
46
DQMB2
47
DQMB3
48
DU
49
VCC
50
NC
51
NC
52
NC
53
NC
54
VSS
55
DQ16
56
DQ17
57
DQ18
22
Technical Information
x72 ECC
Pin
VSS
107
NC
108
NC
109
VCC
110
/WE0
111
DQMB0
112
DQMB1
113
/S0
114
NC
115
VSS
116
A0
117
A2
118
A4
119
A6
120
A8
121
A10/AP
122
BA1
123
VCC
124
VCC
125
CK0
126
VSS
127
NC
128
/S2
129
DQMB2
130
DQMB3
131
NC
132
VCC
133
NC
134
NC
135
CB2
136
CB3
137
VSS
138
DQ16
139
DQ17
140
DQ18
141
x64 nonparity
x72 ECC
VSS
VSS
NC
NC
NC
NC
VCC
VCC
/CAS
/CAS
DQMB4
DQMB4
DQMB5
DQMB5
NC
/S1
/RAS
/RAS
VSS
VSS
A1
A1
A3
A3
A5
A5
A7
A7
A9
A9
BA0
BA0
NC
A11
VCC
VCC
CK1
CK1
A12
A12
VSS
VSS
CKE0
CKE0
NC
/S3
DQMB6
DQMB6
DQMB7
DQMB7
A13
A13
VCC
VCC
NC
NC
NC
NC
NC
CB6
NC
CB7
VSS
VSS
DQ48
DQ48
DQ49
DQ49
DQ50
DQ50

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