SO DIMM=Small Outline Dual Inline Memory Module 72 PIN SO DIMM at the computer. Pin | Non-Parity | Parity | Description | 1 | VSS | VSS | Ground | 2 | DQ0 | DQ0 | Data 0 | 3 | DQ1 | DQ1 | Data 1 | 4 | DQ2 | DQ2 | Data 2 | 5 | DQ3 | DQ3 | Data 3 | 6 | DQ4 | DQ4 | Data 4 | 7 | DQ5 | DQ5 | Data 5 | 8 | DQ6 | DQ6 | Data 6 | 9 | DQ7 | DQ7 | Data 7 | 10 | VCC | VCC | +5 VDC | 11 | PD1 | PD1 | Presence Detect 1 | 12 | A0 | A0 | Address 0 | 13 | A1 | A1 | Address 1 | 14 | A2 | A2 | Address 2 | 15 | A3 | A3 | Address 3 | 16 | A4 | A4 | Address 4 | 17 | A5 | A5 | Address 5 | 18 | A6 | A6 | Address 6 | 19 | A10 | A10 | Address 10 | 20 | n/c | PQ8 | Data 8 (Parity 1) | 21 | DQ9 | DQ9 | Data 9 | 22 | DQ10 | DQ10 | Data 10 | 23 | DQ11 | DQ11 | Data 11 | 24 | DQ12 | DQ12 | Data 12 | 25 | DQ13 | DQ13 | Data 13 | 26 | DQ14 | DQ14 | Data 14 | 27 | DQ15 | DQ15 | Data 15 | 28 | A7 | A7 | Address 7 | 29 | A11 | A11 | Address 11 | 30 | VCC | VCC | +5 VDC | 31 | A8 | A8 | Address 8 | 32 | A9 | A9 | Address 9 | 33 | /RAS3 | RAS3 | Row Address Strobe 3 | 34 | /RAS2 | RAS2 | Row Address Strobe 2 | 35 | DQ16 | DQ16 | Data 16 | 36 | n/c | PQ17 | Data 17 (Parity 2) | 37 | DQ18 | DQ18 | Data 18 | 38 | DQ19 | DQ19 | Data 19 | 39 | VSS | VSS | Ground | 40 | /CAS0 | CAS0 | Column Address Strobe 0 | 41 | /CAS2 | CAS2 | Column Address Strobe 2 | 42 | /CAS3 | CAS3 | Column Address Strobe 3 | 43 | /CAS1 | CAS1 | Column Address Strobe 1 | 44 | /RAS0 | RAS0 | Row Address Strobe 0 | 45 | /RAS1 | RAS1 | Row Address Strobe 1 | 46 | A12 | A12 | Address 12 | 47 | /WE | WE | Read/Write | 48 | A13 | A13 | Address 13 | 49 | DQ20 | DQ20 | Data 20 | 50 | DQ21 | DQ21 | Data 21 | 51 | DQ22 | DQ22 | Data 22 | 52 | DQ23 | DQ23 | Data 23 | 53 | DQ24 | DQ24 | Data 24 | 54 | DQ25 | DQ25 | Data 25 | 55 | n/c | PQ26 | Data 26 (Parity 3) | 56 | DQ27 | DQ27 | Data 27 | 57 | DQ28 | DQ28 | Data 28 | 58 | DQ29 | DQ29 | Data 29 | 59 | DQ31 | DQ31 | Data 31 | 60 | DQ30 | DQ30 | Data 30 | 61 | VCC | VCC | +5 VDC | 62 | DQ32 | DQ32 | Data 32 | 63 | DQ33 | DQ33 | Data 33 | 64 | DQ34 | DQ34 | Data 34 | 65 | n/c | PQ35 | Data 35 (Parity 4) | 66 | PD2 | PD2 | Presence Detect 2 | 67 | PD3 | PD3 | Presence Detect 3 | 68 | PD4 | PD4 | Presence Detect 4 | 69 | PD5 | PD5 | Presence Detect 1 | 70 | PD6 | PD6 | Presence Detect 6 | 71 | PD7 | PD7 | Presence Detect 7 | 72 | VSS | VSS | Ground |
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