2
14
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.
4-pin ATX 12 V Power Connector : PWR2
Connect the 8-pin ATX 12V power supply to PWR2
and provides power to the CPU.
Pin #
Definition
Pin #
Definition
1
3.3V
13
3.3V
2
3.3V
14
-12V
3
GND
15
GND
4
+5V
16
PS_ON(Soft On/Off)
5
GND
17
GND
6
+5V
18
GND
7
GND
19
GND
8
Power Good
20
NC
9
+5V SB(Stand by +5V)
21
+5V
10
+12V
22
+5V
11
+12V
23
+5V
12
3.3V
24
GND
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.
CA
UT
IO
N
!
20-Pin Power
Pin No. 24
Pin #
Definition
1
GND
2
GND
3
+12V
4
+12V
3 1
GND
+12V
4 2
PWR2
PWR1
24
13
12
1
