EVGA 780i SLI FTW Computer Hardware User Manual


 
EVGA 13
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.
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
11
+12V
23
+5V
12
+3.3V
24
GND
PWR1 connector
Plug power cable from system
power supply to PWR1
Board edge
24
13
1
12