SDRAM DIMM Connector Pinouts
4.3 SDRAM DIMM Connector Pinouts
Table 4–3 shows the SDRAM DIMM connector pinouts.
| Table  | 
 | (Sheet 1 of 2) | ||||||||||
| Pin | Signal | Pin | Signal | Pin | Signal | Pin | Signal | |||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |||||
| 1 | Gnd | 2 | DQ0 | 3 | DQ1 | 4 | DQ2 | |||||
| 5 | DQ3 | 6 | +3V | 7 | DQ4 | 8 | DQ5 | |||||
| 9 | DQ6 | 10 | DQ7 | 11 | DQ8 | 12 | Gnd | |||||
| 13 | DQ9 | 14 | DQ10 | 15 | DQ11 | 16 | DQ12 | |||||
| 17 | DQ13 | 18 | +3V | 19 | DQ14 | 20 | DQ15 | |||||
| 21 | CB0 | 22 | CB1 | 23 | Gnd | 24 | NC | |||||
| 25 | NC | 26 | +3V | 27 | 
 | 
 | 
 | 
 | 28 | DQMB0 | ||
| WE | ||||||||||||
| 29 | DQMB1 | 30 | 
 | 
 | 31 | NC | 32 | Gnd | ||||
| S0 | ||||||||||||
| 33 | A0 | 34 | A2 | 35 | A4 | 36 | A6 | |||||
| 37 | A8 | 38 | A10 | 39 | A12 | 40 | +3V | |||||
| 41 | +3V | 42 | CK0 | 43 | Gnd | 44 | NC | |||||
| 45 | 
 | 
 | 46 | DQMB2 | 47 | DQMB3 | 48 | NC | ||||
| S2 | ||||||||||||
| 49 | +3V | 50 | NC | 51 | NC | 52 | CB2 | |||||
| 53 | CB3 | 54 | Gnd | 55 | DQ16 | 56 | DQ17 | |||||
| 57 | DQ18 | 58 | DQ19 | 59 | +3V | 60 | DQ20 | |||||
| 61 | NC | 62 | NC | 63 | CKE1 | 64 | Gnd | |||||
| 65 | DQ21 | 66 | DQ22 | 67 | DQ23 | 68 | Gnd | |||||
| 69 | DQ24 | 70 | DQ25 | 71 | DQ26 | 72 | DQ27 | |||||
| 73 | +3V | 74 | DQ28 | 75 | DQ29 | 76 | DQ30 | |||||
| 77 | DQ31 | 78 | Gnd | 79 | CK2 | 80 | NC | |||||
| 81 | NC | 82 | SDA | 83 | SCL | 84 | +3V | |||||
| 85 | Gnd | 86 | DQ32 | 87 | DQ33 | 88 | DQ34 | |||||
| 89 | DQ35 | 90 | +3V | 91 | DQ36 | 92 | DQ37 | |||||
| 93 | DQ38 | 94 | DQ39 | 95 | DQ40 | 96 | Gnd | |||||
| 97 | DQ41 | 98 | DQ42 | 99 | DQ43 | 100 | DQ44 | |||||
| 101 | DQ45 | 102 | +3V | 103 | DQ46 | 104 | DQ47 | |||||
| 105 | CB4 | 106 | CB5 | 107 | Gnd | 108 | NC | |||||
| 109 | NC | 110 | +3V | 111 | 
 | 
 | 
 | 112 | DQMB4 | |||
| CAS | ||||||||||||
| 113 | DQMB5 | 114 | S1 | 115 | 
 | 
 | 116 | Gnd | ||||
| RAS | ||||||||||||
| 117 | A1 | 118 | A3 | 119 | A5 | 120 | A7 | |||||
| 121 | A9 | 122 | BA0 | 123 | A13 | 124 | +3V | |||||
