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DDR2 240-pin FBDIMM Pinout:
Pin
#
Front
Side
Pin
#
Back
Side
Pin
#
Front
Side
Pin
#
Back
Side
Pin
#
Front
Side
Pin
#
Back
Side
Pin
#
Front
Side
Pin
#
Back
Side
1
VDD
121
VDD
31
PN3
151
SN3
61
PN9
181
SN9
91
PS9
211
SS9
2
VDD
122
VDD
32
PN3
152
SN3
62
VSS
182
VSS
92
VSS
212
VSS
3
VDD
123
VDD
33
VSS
153
VSS
63
PN10
183
SN10
93
PS5
213
SS5
4
VSS
124
VSS
34
PN4
154
SN4
64
PN10
184
SN10
94
PS5
214
SS5
5
VDD
125
VDD
35
PN4
155
SN4
65
VSS
185
VSS
95
VSS
215
VSS
6
VDD
126
VDD
36
VSS
156
VSS
66
PN11
186
SN11
96
PS6
216
SS6
7
VDD
127
VDD
37
PN5
157
SN5
67
PN11
187
SN11
97
PS6
217
SS6
8
VSS
128
VSS
38
PN5
158
SN5
68
VSS
188
VSS
98
VSS
218
VSS
9
VCC
129
VCC
39
VSS
159
VSS
KEY
99
PS7
219
SS7
10
VCC
130
VCC
40
PN13
160
SN13
69
VSS
189
VSS
100
PS7
220
SS7
11
VSS
131
VSS
41
PN13
161
SN13
70
PS0
190
SS0
101
VSS
221
VSS
12
VCC
132
VCC
42
VSS
162
VSS
71
PS0
191
SS0
102
PS8
222
SS8
13
VCC
133
VCC
43
VSS
163
VSS
72
VSS
192
VSS
103
PS8
223
SS8
14
VSS
134
VSS
44
RFU*
164
RFU*
73
PS1
193
SS1
104
VSS
224
VSS
15
VTT
135
VTT
45
RFU*
165
RFU*
74
PS1
194
SS1
105
RFU
**
225
RFU
**
16
VID1
136
VID0
46
VSS
166
VSS
75
VSS
195
VSS
106
RFU
**
226
RFU
**
17
RESET 137 DNU/M_Test
47
VSS
167
VSS
76
PS2
196
SS2
107
VSS
227
VSS
18
VSS
138
VSS
48
PN12
168
SN12
77
PS2
197
SS2
108
VDD
228
SCK
19
RFU
** 139
RFU
**
49
PN12
169
SN12
78
VSS
198
VSS
109
VDD
229
SCK
20
RFU
** 140
RFU
**
50
VSS
170
VSS
79
PS3
199
SS3
110
VSS
230
VSS
21
VSS
141
VSS
51
PN6
171
SN6
80
PS3
200
SS3
111
VDD
231
VDD
22
PN0
142
SN0
52
PN6
172
SN6
81
VSS
201
VSS
112
VDD
232
VDD
23
PN0
143
SN0
53
VSS
173
VSS
82
PS4
202
SS4
113
VDD
233
VDD
24
VSS
144
VSS
54
PN7
174
SN7
83
PS4
203
SS4
114
VSS
234
VSS
25
PN1
145
SN1
55
PN7
175
SN7
84
VSS
204
VSS
115
VDD
235
VDD
26
PN1
146
SN1
56
VSS
176
VSS
85
VSS
205
VSS
116
VDD
236
VDD
27
VSS
147
VSS
57
PN8
177
SN8
86
RFU*
206
RFU*
117
VTT
237
VTT
28
PN2
148
SN2
58
PN8
178
SN8
87
RFU*
207
RFU*
118
SA2
238
VDDSPD
29
PN2
149
SN2
59
VSS
179
VSS
88
VSS
208
VSS
119
SDA
239
SA0
30
VSS
150
VSS
60
PN9
180
SN9
89
VSS
209
VSS
120
SCL
240
SA1
90
PS9
210
SS9
RFU = Reserved Future Use.
* These pin positions are reserved for forwarded clocks to be used in future module implementations
** These pin positions are reserved for future architecture flexibility
1) The following signals are CRC bits and thus appear out of the normal sequence: PN12/PN12, SN12/SN12, PN13/PN13, SN13/SN13,
PS9/PS9, SS9/SS9
VALUERAM0502-001.A00
Page 2
TECHNOLOGY
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