Install Other Internal Connectors - Foxconn H77MXV Series User Manual

HARDWARE INSTALLATION

2-4 Install other Internal Connectors

Power Connectors
This motherboard uses an ATX power supply. In order not to damage any device, make sure all
the devices have been installed properly before applying the power supply.
24-pin ATX Power Connector: PWR1
PWR1 is the ATX power supply connector. 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.
24
12
PWR1
We recommend you using a 24-pin power
supply. If you are using a 20-pin power
supply, you need to align the ATX power
connector according to the picture.
4-pin ATX 12 V Power Connector: PWR2
Connect the 4-pin ATX 12V power supply to PWR2 and provides power to the CPU.
14
Pin #
1
2
3
4
5
6
7
8
9 +5V SB(Stand by +5V)
10
13
11
12
1
3
+12V
4
PWR2
Definition Pin #
3.3V 13
3.3V 14
GND 15
+5V 16
GND 17
+5V 18
GND 19
Power Good 20
21
+12V 22
+12V 23
3.3V 24
20-Pin Power
1
Pin #
1
GND
2
2
3
4
Definition
3.3V
-12V
GND
PS_ON(Soft On/Off)
GND
GND
GND
NC
+5V
+5V
+5V
GND
Pin No. 24
Definition
GND
GND
+12V
+12V