Appendix A. Connector-pin assignments
35
23
VSS
65
DQ21
107
VSS
149
DQ53
24
NC
66
DQ22
108
NC
150
DQ54
25
NC
67
DQ23
109
NC
151
DQ55
26
VCC
68
VSS
110
VCC
152
VSS
27
/WE
69
DQ24
111
/CAS
153
DQ56
28
DQMB0
70
DQ25
112
DQMB4
154
DQ57
29
DQMB1
71
DQ26
113
DQMB5
155
DQ58
30
/S0
72
DQ27
114
NC
156
DQ59
31
DU
73
VCC
115
/RAS
157
VCC
32
VSS
74
DQ28
116
VSS
158
DQ60
33
A0
75
DQ29
117
A1
159
DQ61
34
A2
76
DQ30
118
A3
160
DQ62
35
A4
77
DQ31
119
A5
161
DQ63
36
A6
78
VSS
120
A7
162
VSS
37
A8
79
CK2
121
A9
163
CK3
38
A10/AP
80
NC
122
BA0
164
NC
39
NC
81
NC
123
NC
165
SA0
40
VCC
82
SDA
124
VCC
166
SA1
41
VCC
83
SCL
125
CK1
167
SA2
42
CK0
84
VCC
126
A12
168
VCC
Table 21. System memory connector pin input/output
Pin
Signal name
I/O
Pin
Signal name
I/O
Pin
Signal name
I/O
1
Ground
N/A
57
MD18
I/O
113
DQMB4#
I
2
MD0
I/O
58
MD19
I/O
114
S1#
I
3
MD1
I/O
59
VDD
N/A
115
RAS#
I
4
MD2
I/O
60
MD20
I/O
116
Ground
N/A
5
MD3
I/O
61
CKE1
N/A
117
A1
I
6
VDD
I/O
62
VREF
N/A
118
A3
I
7
MD4
I/O
63
(CKE1)*
N/A
119
A5
I
8
MD5
I/O
64
Ground
N/A
120
A7
I
9
MD6
I/O
65
MD21
I/O
121
A9
I
10
MD7
I/O
66
MD22
I/O
122
A11
I
11
MD8 (PAR0)
I/O
67
MD23
I/O
123
NC
12
Ground
N/A
68
Ground
N/A
124
VDD
N/A
13
MD9
I/O
69
MD24
I/O
125
CK1
N/A
14
MD10
I/O
70
MD25
I/O
126
A14
O
15
MD11
I/O
71
MD26
I/O
127
Ground
N/A
Table 20. System memory connector-pin assignments
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
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