24-pin ATX Power (PW1)
PW1 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.
PW1 connector
Plug power cable from system power supply to PW1
Card edge
Figure 1. PW1 Motherboard Connector
Table 1. PW1 Pin Assignments
Connector |
|
|
| Pin |
|
| Signal |
| Pin |
|
| Signal |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
|
| +3.3V |
| 13 |
|
| +3.3V |
1 | 12 |
|
| 2 |
|
| +3.3V |
| 14 |
|
| |
|
|
|
| 3 |
|
| GND |
| 15 |
|
| GND |
|
|
|
| 4 |
|
| +5V |
| 16 |
|
| PS_ON |
13 | 24 |
|
| 5 |
|
| GND |
| 17 |
|
| GND |
|
|
|
|
|
|
|
|
|
|
| ||
|
| 6 |
|
| +5V |
| 18 |
|
| GND | ||
|
|
|
|
|
|
|
|
| ||||
|
|
|
| 7 |
|
| GND |
| 19 |
|
| GND |
|
|
|
|
|
|
|
|
| ||||
|
|
|
| 8 |
|
| PWROK |
| 20 |
|
| RSVD |
|
|
|
| 9 |
|
| +5V_AUX |
| 21 |
|
| +5V |
|
|
|
| 10 |
| +12V |
| 22 |
|
| +5V | |
|
|
|
| 11 |
| +12V |
| 23 |
|
| +5V | |
|
|
|
| 12 |
|
| +3.3V |
| 24 |
|
| GND |
|
|
|
|
|
|
|
|
|
|
|
|
|
EVGA 22
