EVGA 650I ユーザーズマニュアル

Installing and Configuring the NVIDIA nForce 650i Ultra Motherboard 

 

 
16

 

Power Connections 

This motherboard requires an ATX power supply. Make sure you have enough 
power to cover all the expansion cards you will be installing. To determine what 
you power requirements are for your specific configuration, refer to 

www.slizone.com

.   

24-pin ATX Power 

(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.   

 

Figure 3. 

PWR1 Motherboard Connector 

Table 1. 

PWR1 Pin Assignments 

1 +3.3V  13 +3.3V 
2 +3.3V  14 -12V 
3 GND 

15 GND 

4 +5V 

16 PS_ON 

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 

 
  24 

       13

 

 

  12 

       1 

12 +3.3V  24 GND 

PWR1 connector  

Plug power cable from system 
power supply to PWR1 

Card edge