EVGA 122-CK-NF68-XX Manuel D’Utilisation
Installing and Configuring the EVGA nForce 680i SLI Motherboard
18
Power Connections
This motherboard requires an ATX power supply. To support a PCI Express
motherboard with the addition of dual graphics cards using NVIDIA SLI
technology, you are going to need a minimum of a 500W 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
motherboard with the addition of dual graphics cards using NVIDIA SLI
technology, you are going to need a minimum of a 500W 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)
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.
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
Connector
Pin Signal
Pin Signal
1 +3.3V 13 +3.3V
2 +3.3V 14 -12V
3 GND
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
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
from system power
supply to PWR1