Pin atx power, Pwr1) – Nvidia NFORCE 780I SLI User Manual
Page 23
Hardware Installation
NVIDIA Corporation
October 17, 2007 | DU-03597-001_v01
13
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 or a certified power supply vendor, refer to
.
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.
Figure 4.
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
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
24
13
12
1
11
+12V
23
+5V
PWR1 connector
Plug power cable from system
power supply to PWR1
Card edge