EVGA 123-YW-E175-A1 User Manual - Page 19

Power Connections - a

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nForce 750i SLI Motherboard Power Connections 24-pin ATX Power 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. v Pin Assignments Connector Pin Signal 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 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 8-pin ATX 12V Power 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. v Pin Assignments Connector Pin Signal 1 GND 2 GND 3 GND 4 GND Pin Signal 5 +12V 6 +12V 7 +12V 8 +12V 11

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nForce 750i SLI Motherboard
±±
Power Connections
24-pin ATX Power
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.
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
8-pin ATX 12V Power
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.
Connector
Pin
Signal
Pin
Signal
1
GND
5
+12V
2
GND
6
+12V
3
GND
7
+12V
4
GND
8
+12V
v
Pin Assignments
v
Pin Assignments