24-pin ATX Power (PWR1)
PWR1 is the main power supply connector located along the edge of the board next to the DIMM slots. Make sure that the power supply cable and pins are properly aligned with the connector on the motherboard. Firmly plug the power supply cable into the connector and make sure it is secure. This connector is notched, do not force in.
PWR1 connector
Plug power cable from system power supply to PWR1
Board edge
Figure 4. PWR1 Motherboard Connector
Table 1. |
| PWR1 Pin Assignments |
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Connector |
| Pin |
| Signal |
| Pin | Signal |
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| 1 |
| +3.3V |
| 13 | +3.3V |
1 |
| 2 |
| +3.3V |
| 14 | |
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12 | 3 |
| GND |
| 15 | GND | |
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| 4 |
| +5V |
| 16 | PS_ON |
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| 5 |
| GND |
| 17 | GND |
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| 6 |
| +5V |
| 18 | GND |
13 | 24 |
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7 |
| GND |
| 19 | GND | ||
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| 8 |
| PWROK |
| 20 | RSVD |
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| 9 |
| +5V_AUX |
| 21 | +5V |
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| 10 |
| +12V |
| 22 | +5V |
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| 11 |
| +12V |
| 23 | +5V |
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| 12 |
| +3.3V |
| 24 | GND |
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