2
14
2-4 Install other Internal Connectors
Power Connectors
This mother�oard uses an ATX power supply. In order not to damage any device, make sure all
the devices have �een installed properly �efore applying the power supply.
24-pin ATX Power Connector : PWR1
PWR1 is the ATX power supply connector. Make sure that the power supply ca�le and pins are
properly aligned with the connector on the mother�oard. Firmly plug the power supply ca�le 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 #
Deinition
Pin #
Deinition
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.
C
AU
T
IO
N
!
20-Pin Power
Pin No. 24
Pin #
Deinition
1
GND
2
GND
3
+12V
4
+12V
3 1
GND
+12V
4 2
PWR2
PWR1
24
13
12
1
