EVGA 132-YW-E178-A1 User Guide - Page 23

pin ATX Power

Page 23 highlights

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. Board edge Figure 4. PWR1 connector Plug power cable from system power supply to PWR1 PWR1 Motherboard Connector Table 1. PWR1 Pin Assignments Connector 1 13 Pin Signal 1 +3.3V 2 +3.3V 12 3 GND 4 +5V 5 GND 6 +5V 24 7 GND 8 PWROK 9 +5V_AUX 10 +12V 11 +12V 12 +3.3V 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 EVGA 13

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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