24-Pin Atx Power (Pw1); Figure 4. Pwr1 Motherboard Connector - EVGA nForce 750i SLI User Manual

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.
Board edge
Figure 4. PWR1 Motherboard Connector
Table 1.
Connector
24
12
PWR1 Pin Assignments
Pin Signal
1 +3.3V
2 +3.3V
13
3 GND
4 +5V
5 GND
6 +5V
1
7 GND
8 PWROK
9 +5V_AUX
10 +12V
11 +12V
12 +3.3V
PWR1 connector
Plug power cable from system
power supply to PWR1
Pin Signal
13 +3.3V
14 -12V
15 GND
16 PS_ON
17 GND
18 GND
19 GND
20 RSVD
21 +5V
22 +5V
23 +5V
24 GND
EVGA
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