24-Pin Atx Power (Pw1); 8-Pin Atx 12V Power (Pw12); Figure 1. Pw1 Motherboard Connector - EVGA 123-CD-E635 User Manual

24-pin ATX Power
is the main power supply connector located along the edge of the board
PW1
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 1. PW1 Motherboard Connector
Table 1. PW1 Pin Assignments
Connector
1
13
8-pin ATX 12V Power (
PW12, the 8-pin ATX 12V power connection, is used to provide power to the CPU.
Align the pins to the connector and press firmly until seated.
(PW1)
Pin Signal
1 +3.3V
12
2 +3.3V
3 GND
4 +5V
5 GND
6 +5V
24
7 GND
8 PWROK
9 +5V_AUX
10 +12V
11 +12V
12 +3.3V
)
PW12
PW1 connector
Plug power cable from system
power supply to PW1
Pin Signal
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