184 pin DIMM connector layout
184 pin DIMM connector
at the motherboard
Motherboard
Pin
Name Direction Description
1 VREF -?- Power supply for reference
2 DQ0 -?- Data input / output
3 VSS -?- Ground
4 DQ1 -?- Data input / output
5 DQS0 -?- Data strobe input / output
6 DQ2 -?- Data input / output
7 VDD -?- Power supply (2,5V)
8 DQ3 -?- Data input / output
9 NC -?- Not connected
10 NC -?- Not connected
11 VSS -?- Ground
12 DQ8 -?- Data input / output
13 DQ9 -?- Data input / output
14 DQS1 -?- Data strobe input / output
15 VDD -?- Power supply (2,5V)
16 CK1 -?- Clock input
17 CK1# -?- Clock input
18 VSS -?- Ground
19 DQ10 -?- Data input / output
20 DQ11 -?- Data input / output
21 CKE0 -?- Clock enable input
22 VDD -?- Power supply (2,5V)
23 DQ16 -?- Data input / output
24 DQ17 -?- Data input / output
25 DQS2 -?- Data strobe input / output
26 VSS -?- Ground
27 A9 -?- Address input (multiplexed)
28 DQ18 -?- Data input / output
29 A7 -?- Address input (multiplexed)
30 VDD -?- Power supply (2,5V)
31 DQ19 -?- Data input / output
32 A5 -?- Address input (multiplexed)
33 DQ24 -?- Data input / output
34 VSS -?- Ground
35 DQ25 -?- Data input / output
36 DQS3 -?- Data strobe input / output
37 A4 -?- Address input (multiplexed)
38 VDD -?- Power supply (2,5V)
39 DQ26 -?- Data input / output
40 DQ27 -?- Data input / output
41 A2 -?- Address input (multiplexed)
42 VSS -?- Ground
43 A1 -?- Address input (multiplexed)
44 CB0 -?- Not connected
45 CB1 -?- Not connected
46 VDD -?- Power supply (2,5V)
47 DQS8 -?- Data strobe input / output
48 A0 -?- Address input (multiplexed)
49 CB2 -?- Not connected
50 VSS -?- Ground
51 CB3 -?- Not connected
52 BA1 -?- Bank select address
53 DQ32 -?- Data input / output
54 VDD -?- Power supply (2,5V)
55 DQ33 -?- Data input / output
56 DQS4 -?- Data strobe input / output
57 DQ34 -?- Data input / output
58 VSS -?- Ground
59 BA0 -?- Bank select address
60 DQ35 -?- Data input / output
61 DQ40 -?- Data input / output
62 VDD -?- Power supply (2,5V)
63 WE# -?- Write enable
64 DQ41 -?- Data input / output
65 CAS# -?- Column address strobe
66 VSS -?- Ground
67 DQS5 -?- Data strobe input / output
68 DQ42 -?- Data input / output
69 DQ43 -?- Data input / output
70 VDD -?- Power supply (2,5V)
71 NC -?- Not connected
72 DQ48 -?- Data input / output
73 DQ49 -?- Data input / output
74 VSS -?- Ground
75 CK2# -?- Clock input
76 CK2 -?- Clock input
77 VDD -?- Power supply (2,5V)
78 DQS6 -?- Data strobe input / output
79 DQ50 -?- Data input / output
80 DQ51 -?- Data input / output
81 VSS -?- Ground
82 NC -?- Not connected
83 DQ56 -?- Data input / output
84 DQ57 -?- Data input / output
85 VDD -?- Power supply (2,5V)
86 DQS7 -?- Data strobe input / output
87 DQ58 -?- Data input / output
88 DQ59 -?- Data input / output
89 VSS -?- Ground
90 NC -?- Not connected
91 SDA -?- Serial data I/O
92 SCL -?- Serial clock
93 VSS -?- Ground
94 DQ4 -?- Data input / output
95 DQ5 -?- Data input / output
96 VDD -?- Power supply (2,5V)
97 DQS9 -?- Data strobe input / output
98 DQ6 -?- Data input / output
99 DQ7 -?- Data input / output
100 VSS -?- Ground
101 NC -?- Not connected
102 NC -?- Not connected
103 NC -?- Not connected
104 VDD -?- Power supply (2,5V)
105 DQ12 -?- Data input / output
106 DQ13 -?- Data input / output
107 DQS10 -?- Data strobe input / output
108 VDD -?- Power supply (2,5V)
109 DQ14 -?- Data input / output
110 DQ15 -?- Data input / output
111 CKE1 -?- Clock enable input
112 VDD -?- Power supply (2,5V)
113 NC -?- Not connected
114 DQ20 -?- Data input / output
115 A12 -?- Address input (multiplexed)
116 VSS -?- Ground
117 DQ21 -?- Data input / output
118 A11 -?- Address input (multiplexed)
119 DQS11 -?- Data strobe input / output
120 VDD -?- Power supply (2,5V)
121 DQ22 -?- Data input / output
122 A8 -?- Address input (multiplexed)
123 DQ23 -?- Data input / output
124 VSS -?- Ground
125 A6 -?- Address input (multiplexed)
126 DQ28 -?- Data input / output
127 DQ29 -?- Data input / output
128 VDD -?- Power supply (2,5V)
129 DQS12 -?- Data strobe input / output
130 A3 -?- Address input (multiplexed)
131 DQ30 -?- Data input / output
132 VSS -?- Ground
133 DQ31 -?- Data input / output
134 CB4 -?- Not connected
135 CB5 -?- Not connected
136 VDD -?- Power supply (2,5V)
137 CK0 -?- Clock input
138 CK0# -?- Clock input
139 VSS -?- Ground
140 DQS17 -?- Data strobe input / output
141 A10 -?- Address input (multiplexed)
142 CB6 -?- Not connected
143 VDD -?- Power supply (2,5V)
144 CB7 -?- Not connected
145 VSS -?- Ground
146 DQ36 -?- Data input / output
147 DQ37 -?- Data input / output
148 VDD -?- Power supply (2,5V)
149 DQS13 -?- Data strobe input / output
150 DQ38 -?- Data input / output
151 DQ39 -?- Data input / output
152 VSS -?- Ground
153 DQ44 -?- Data input / output
154 RAS# -?- Row address strobe
155 DQ45 -?- Data input / output
156 VDD -?- Power supply (2,5V)
157 S0# -?- Chip select input
158 S1# -?- Chip select input
159 DQS14 -?- Data strobe input / output
160 VSS -?- Ground
161 DQ46 -?- Data input / output
162 DQ47 -?- Data input / output
163 NC -?- Not connected
164 VDD -?- Power supply (2,5V)
165 DQ52 -?- Data input / output
166 DQ53 -?- Data input / output
167 NC -?- Not connected
168 VDD -?- Power supply (2,5V)
169 DQS15 -?- Data strobe input / output
170 DQ54 -?- Data input / output
171 DQ55 -?- Data input / output
172 VDD -?- Power supply (2,5V)
173 NC -?- Not connected
174 DQ60 -?- Data input / output
175 DQ61 -?- Data input / output
176 VSS -?- Ground
177 DQS16 -?- Data strobe input / output
178 DQ62 -?- Data input / output
179 DQ63 -?- Data input / output
180 VDD -?- Power supply (2,5V)
181 SA0 -?- Address in EEPROM
182 SA1 -?- Address in EEPROM
183 SA2 -?- Address in EEPROM
184 VDDSPD -?- Serial EEPROM power supply (2,3-3,6V)

 

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