168 pin SDRAM DIMM (Unbuffered)
DIMM=Dual Inline Memory Module
(At the computer)
168 PIN DIMM at the computer.
Front Side (left side 1-42, right side 43-84)
Back Side (left side 85-126, right side 127-168)
Front, Left
Pin |
Non-Parity |
72 ECC? |
80 ECC? |
Description |
1 |
VSS |
VSS |
VSS |
Ground |
2 |
DQ0 |
DQ0 |
DQ0 |
Data 0 |
3 |
DQ1 |
DQ1 |
DQ1 |
Data 1 |
4 |
DQ2 |
DQ2 |
DQ2 |
Data 2 |
5 |
DQ3 |
DQ3 |
DQ3 |
Data 3 |
6 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
7 |
DQ4 |
DQ4 |
DQ4 |
Data 4 |
8 |
DQ5 |
DQ5 |
DQ5 |
Data 5 |
9 |
DQ6 |
DQ6 |
DQ6 |
Data 6 |
10 |
DQ7 |
DQ7 |
DQ7 |
Data 7 |
11 |
DQ8 |
DQ8 |
DQ8 |
Data 8 |
12 |
VSS |
VSS |
VSS |
Ground |
13 |
DQ9 |
DQ9 |
DQ9 |
Data 9 |
14 |
DQ10 |
DQ10 |
DQ10 |
Data 10 |
15 |
DQ11 |
DQ11 |
DQ11 |
Data 11 |
16 |
DQ12 |
DQ12 |
DQ12 |
Data 12 |
17 |
DQ13 |
DQ13 |
DQ13 |
Data 13 |
18 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
19 |
DQ14 |
DQ14 |
DQ14 |
Data 14 |
20 |
DQ15 |
DQ15 |
DQ15 |
Data 15 |
21 |
n/c |
CB0 |
CB0 |
Parity/Check Bit Input/Output 0 |
22 |
n/c |
CB1 |
CB1 |
Parity/Check Bit Input/Output 01 |
23 |
VSS |
VSS |
VSS |
Ground |
24 |
n/c |
n/c |
CB8 |
Parity/Check Bit Input/Output 8 |
25 |
n/c |
n/c |
CB9 |
Parity/Check Bit Input/Output 9 |
26 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
27 |
/WE |
/WE |
/WE |
Read/Write |
28 |
DQMB0 |
DQMB0 |
DQMB0 |
Byte Mask signal 0 |
29 |
DQMB1 |
DQMB1 |
DQMB1 |
Byte Mask signal 1 |
30 |
/S0 |
/S0 |
/S0 |
Chip Select 0 |
31 |
DU |
DU |
DU |
Don't Use |
32 |
VSS |
VSS |
VSS |
Ground |
33 |
A0 |
A0 |
A0 |
Address 0 |
34 |
A2 |
A2 |
A2 |
Address 2 |
35 |
A4 |
A4 |
A4 |
Address 4 |
36 |
A6 |
A6 |
A6 |
Address 6 |
37 |
A8 |
A8 |
A8 |
Address 8 |
38 |
A10/AP |
A10/AP |
A10/AP |
Address 10 |
39 |
BA1 |
BA1 |
BA1 |
Bank Address 1 |
40 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
41 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
42 |
CK0 |
CK0 |
CK0 |
Clock signal 0 |
Front, Right
Pin |
Non-Parity |
72 ECC? |
80 ECC? |
Description |
43 |
VSS |
VSS |
VSS |
Ground |
44 |
DU |
DU |
DU |
Don't Use |
45 |
/S2 |
/S2 |
/S2 |
Chip Select 2 |
46 |
DQMB2 |
DQMB2 |
DQMB2 |
Byte Mask signal 2 |
47 |
DQMB3 |
DQMB3 |
DQMB3 |
Byte Mask signal 3 |
48 |
DU |
DU |
DU |
Don't Use |
49 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
50 |
n/c |
n/c |
CB10 |
Parity/Check Bit Input/Output 10 |
51 |
n/c |
n/c |
CB11 |
Parity/Check Bit Input/Output 11 |
52 |
n/c |
CB2 |
CB2 |
Parity/Check Bit Input/Output 2 |
53 |
n/c |
CB3 |
CB3 |
Parity/Check Bit Input/Output 3 |
54 |
VSS |
VSS |
VSS |
Ground |
55 |
DQ16 |
DQ16 |
DQ16 |
Data 16 |
56 |
DQ17 |
DQ17 |
DQ17 |
Data 17 |
57 |
DQ18 |
DQ18 |
DQ18 |
Data 18 |
58 |
DQ19 |
DQ19 |
DQ19 |
Data 19 |
59 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
60 |
DQ20 |
DQ20 |
DQ20 |
Data 20 |
61 |
n/c |
n/c |
n/c |
Not connected |
62 |
Vref,NC |
Vref,NC |
Vref,NC |
|
63 |
CKE1 |
CKE1 |
CKE1 |
Clock Enable Signal 1 |
64 |
VSS |
VSS |
VSS |
Ground |
65 |
DQ21 |
DQ21 |
DQ21 |
Data 21 |
66 |
DQ22 |
DQ22 |
DQ22 |
Data 22 |
67 |
DQ23 |
DQ23 |
DQ23 |
Data 23 |
68 |
VSS |
VSS |
VSS |
Ground |
69 |
DQ24 |
DQ24 |
DQ24 |
Data 24 |
70 |
DQ25 |
DQ25 |
DQ25 |
Data 25 |
71 |
DQ26 |
DQ26 |
DQ26 |
Data 26 |
72 |
DQ27 |
DQ27 |
DQ27 |
Data 27 |
73 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
74 |
DQ28 |
DQ28 |
DQ28 |
Data 28 |
75 |
DQ29 |
DQ29 |
DQ29 |
Data 29 |
76 |
DQ30 |
DQ30 |
DQ30 |
Data 30 |
77 |
DQ31 |
DQ31 |
DQ31 |
Data 31 |
78 |
VSS |
VSS |
VSS |
Ground |
79 |
CK2 |
CK2 |
CK2 |
Clock signal 2 |
80 |
n/c |
n/c |
n/c |
Not connected |
81 |
n/c |
n/c |
n/c |
Not connected |
82 |
SDA |
SDA |
SDA |
Serial Data |
83 |
SCL |
SCL |
SCL |
Serial Clock |
84 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
Back, Left
Pin |
Non-Parity |
72 ECC? |
80 ECC? |
Description |
85 |
VSS |
VSS |
VSS |
Ground |
86 |
DQ32 |
DQ32 |
DQ32 |
Data 32 |
87 |
DQ33 |
DQ33 |
DQ33 |
Data 33 |
88 |
DQ34 |
DQ34 |
DQ34 |
Data 34 |
89 |
DQ35 |
DQ35 |
DQ35 |
Data 35 |
90 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
91 |
DQ36 |
DQ36 |
DQ36 |
Data 36 |
92 |
DQ37 |
DQ37 |
DQ37 |
Data 37 |
93 |
DQ38 |
DQ38 |
DQ38 |
Data 38 |
94 |
DQ39 |
DQ39 |
DQ39 |
Data 39 |
95 |
DQ40 |
DQ40 |
DQ40 |
Data 40 |
96 |
VSS |
VSS |
VSS |
Ground |
97 |
DQ41 |
DQ41 |
DQ41 |
Data 41 |
98 |
DQ42 |
DQ42 |
DQ42 |
Data 42 |
99 |
DQ43 |
DQ43 |
DQ43 |
Data 43 |
100 |
DQ44 |
DQ44 |
DQ44 |
Data 44 |
101 |
DQ45 |
DQ45 |
DQ45 |
Data 45 |
102 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
103 |
DQ46 |
DQ46 |
DQ46 |
Data 46 |
104 |
DQ47 |
DQ47 |
DQ47 |
Data 47 |
105 |
n/c |
CB4 |
CB4 |
Parity/Check Bit Input/Output 4 |
106 |
n/c |
CB5 |
CB5 |
Parity/Check Bit Input/Output 5 |
107 |
VSS |
VSS |
VSS |
Ground |
108 |
n/c |
n/c |
CB12 |
Parity/Check Bit Input/Output 12 |
109 |
n/c |
n/c |
CB13 |
Parity/Check Bit Input/Output 13 |
110 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
111 |
/CAS |
/CAS |
/CAS |
Column Address Strobe |
112 |
DQMB4 |
DQMB4 |
DQMB4 |
Byte Mask signal 4 |
113 |
DQMB5 |
DQMB5 |
DQMB5 |
Byte Mask signal 5 |
114 |
/S1 |
/S1 |
/S1 |
Chip Select 1 |
115 |
/RAS |
/RAS |
/RAS |
Row Address Strobe |
116 |
VSS |
VSS |
VSS |
Ground |
117 |
A1 |
A1 |
A1 |
Address 1 |
118 |
A3 |
A3 |
A3 |
Address 3 |
119 |
A5 |
A5 |
A5 |
Address 5 |
120 |
A7 |
A7 |
A7 |
Address 7 |
121 |
A9 |
A9 |
A9 |
Address 9 |
122 |
BA0 |
BA0 |
BA0 |
Bank Address 0 |
123 |
A11 |
A11 |
A11 |
Address 11 |
124 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
125 |
CK1 |
CK1 |
CK1 |
Clock signal 1 |
126 |
A12 |
A12 |
A12 |
Address 12 |
Back, Right
Pin |
Non-Parity |
72 ECC? |
80 ECC? |
Description |
127 |
VSS |
VSS |
VSS |
Ground |
128 |
CKE0 |
CKE0 |
CKE0 |
Clock Enable Signal 0 |
129 |
/S3 |
/S3 |
/S3 |
Chip Select 3 |
130 |
DQMB6 |
DQMB6 |
DQMB6 |
Byte Mask signal 6 |
131 |
DQMB7 |
DQMB7 |
DQMB7 |
Byte Mask signal 7 |
132 |
A13 |
A13 |
A13 |
Address 13 |
133 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
134 |
n/c |
n/c |
CB14 |
Parity/Check Bit Input/Output 14 |
135 |
n/c |
n/c |
CB15 |
Parity/Check Bit Input/Output 15 |
136 |
n/c |
CB6 |
CB6 |
Parity/Check Bit Input/Output 6 |
137 |
n/c |
CB7 |
CB7 |
Parity/Check Bit Input/Output 7 |
138 |
VSS |
VSS |
VSS |
Ground |
139 |
DQ48 |
DQ48 |
DQ48 |
Data 48 |
140 |
DQ49 |
DQ49 |
DQ49 |
Data 49 |
141 |
DQ50 |
DQ50 |
DQ50 |
Data 50 |
142 |
DQ51 |
DQ51 |
DQ51 |
Data 51 |
143 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
144 |
DQ52 |
DQ52 |
DQ52 |
Data 52 |
145 |
n/c |
n/c |
n/c |
Not connected |
146 |
Vref,NC |
Vref,NC |
Vref,NC |
|
147 |
n/c |
n/c |
n/c |
Not connected |
148 |
VSS |
VSS |
VSS |
Ground |
149 |
DQ53 |
DQ53 |
DQ53 |
Data 53 |
150 |
DQ54 |
DQ54 |
DQ54 |
Data 54 |
151 |
DQ55 |
DQ55 |
DQ55 |
Data 55 |
152 |
VSS |
VSS |
VSS |
Ground |
153 |
DQ56 |
DQ56 |
DQ56 |
Data 56 |
154 |
DQ57 |
DQ57 |
DQ57 |
Data 57 |
155 |
DQ58 |
DQ58 |
DQ58 |
Data 58 |
156 |
DQ59 |
DQ59 |
DQ59 |
Data 59 |
157 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |
158 |
DQ60 |
DQ60 |
DQ60 |
Data 60 |
159 |
DQ61 |
DQ61 |
DQ61 |
Data 61 |
160 |
DQ62 |
DQ62 |
DQ62 |
Data 62 |
161 |
DQ63 |
DQ63 |
DQ63 |
Data 63 |
162 |
VSS |
VSS |
VSS |
Ground |
163 |
CK3 |
CK3 |
CK3 |
Clock signal 3 |
164 |
n/c |
n/c |
n/c |
Not connected |
165 |
SA0 |
SA0 |
SA0 |
Serial address 0 |
166 |
SA1 |
SA1 |
SA1 |
Serial address 1 |
167 |
SA2 |
SA2 |
SA2 |
Serial address 2 |
168 |
VDD |
VDD |
VDD |
+5 VDC or +3.3 VDC |