![](/images/new-backgrounds/1301047/301047225x1.webp)
P1: MB Connector — Desktop Computer
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Pin Number | Signal Name | Wire Color | Wire Gauge |
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1 | +3.3 VDC | Orange | AWG#20 |
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2 | +3.3 VDC | Orange | AWG#20 |
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3 | COM | Black | AWG#20 |
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4 | +5 VDC | Red | AWG#20 |
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5 | COM | Black | AWG#20 |
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6 | +5 VDC | Red | AWG#20 |
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7 | COM | Black | AWG#20 |
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8 | POK | Gray | AWG#22 |
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9 | +5 VFP | Purple | AWG#20 |
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10 | +12 VDC | White | AWG#20 |
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11 | +12 VDC | White | AWG#20 |
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12 | +3.3 VDC | Orange | AWG#20 |
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13 | +3.3 VDC/SE | Orange | AWG#20 |
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14 | Blue | AWG#20 |
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15 | COM | Black | AWG#20 |
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16 | PS_ON | Green | AWG#22 |
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17 | COM | Black | AWG#20 |
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18 | COM | Black | AWG#20 |
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19 | COM | Black | AWG#20 |
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20 | NC | NC | AWG#20 |
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21 | +5 VDC | Red | AWG#20 |
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| Power Supply |
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