Nvidia nForce 680I LT SLI Hardware User Manual page 23

ATX Power Connector: ATXPWR, ATX12V
This mainboard provides two ATX power connectors, a 24-pin ATXPWR connector and an
8-pin ATX12V connector. You must use a power supply that has both of these connectors and
both connectors must be attached before the system is powered on. These power connectors
support several power management functions such as the instant power-on function. The
connector pins are described below.
ATXPWR
ATX12V
Attention
In general, power cords are designed and should be attached with a
specific direction. The black wire of the power cord is Ground and
should be attached onto the header location of Ground.
Mainboard nForce 680i LT SLI
Pin Assignment
1 +3.3V
2 +3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 PWROK
9 +5V_AUX
10 +12V
11 +12V
12 +3.3V
Pin Assignment
1 GND
2 GND
3 GND
4 GND
19
Mainboard nForce 680i SLI/
Pin Assignment
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
Pin Assignment
5 +12V
6 +12V
7 +12V
8 +12V