Table 20. System memory connector pin assignments
Pin | x64 nonparity | x72 ECC | Pin | x64 nonparity | x72 ECC |
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71 | DQ26 | DQ26 | 155 | DQ58 | DQ58 |
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72 | DQ27 | DQ27 | 156 | DQ59 | DQ59 |
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73 | VCC | VCC | 157 | VCC | VCC |
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74 | DQ28 | DQ28 | 158 | DQ60 | DQ60 |
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75 | DQ29 | DQ29 | 159 | DQ61 | DQ61 |
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76 | DQ30 | DQ30 | 160 | DQ62 | DQ62 |
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77 | DQ31 | DQ31 | 161 | DQ63 | DQ63 |
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78 | VSS | VSS | 162 | VSS | VSS |
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79 | CK2 | CK2 | 163 | CK3 | CK3 |
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80 | NC | NC | 164 | NC | NC |
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81 | NC | NC | 165 | SA0 | SA0 |
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82 | SKA | SDA | 166 | SA1 | SA1 |
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83 | SCL | SCL | 167 | SA2 | SA2 |
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84 | VCC | VCC | 168 | VCC | VCC |
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Table 21. System memory connector pin input/output |
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Pin | Signal name | I/O | Pin | Signal name | I/O |
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1 | GND | N/A | 85 | GND | N/A |
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2 | MD0 | I/O | 86 | MD32 | I/O |
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3 | MD1 | I/O | 87 | MD33 | I/O |
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4 | MD2 | I/O | 88 | MD34 | I/O |
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5 | MD3 | I/O | 89 | MD35 | I/O |
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6 | VDD | I/O | 90 | VDD | N/A |
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7 | MD4 | I/O | 91 | MD36 | N/A |
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8 | MD5 | I/O | 92 | MD37 | I/O |
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9 | MD6 | I/O | 93 | MD38 | I/O |
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10 | MD7 | I/O | 94 | MD39 | I/O |
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11 | MD8 (PAR0) | I/O | 95 | MD40 | I/O |
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12 | GND | N/A | 96 | GND | N/A |
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13 | MD9 | I/O | 97 | MD41 | I/O |
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14 | MD10 | I/O | 98 | MD42 | I/O |
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15 | MD11 | I/O | 99 | MD43 | I/O |
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16 | MD12 | I/O | 100 | MD44 | I/O |
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17 | MD13 | I/O | 101 | MD45 | I/O |
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18 | VDD | N/A | 102 | VDD | N/A |
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Appendix A. Connector pin assignments 37
