24
Installing the Motherboard
When installing 4-pin power cable, the
latches of power cable and the ATX12V
match perfectly.
4-pin power cable
Connecting 4-pin power cable
The ATX12V power connector is used to provide power to the CPU.
ATX12V: ATX 12V Power Connector
Users please note that the fan connector supports the CPU cooling fan
of 1.1A ~ 2.2A (26.4W max) at +12V.
ATX: ATX 24-pin Power Connector
CPU_FAN/SYS_FAN: Cooling FAN Power Connector
2
+3.3V
14
-12V
1
GND
System Ground
3 Sense Sensor
4 PWM PWM
Pin
Signal Name
Function
2
+12V
Power +12V
Pin Signal Name Pin Signal Name
1
+3.3V
13
+3.3V
3
Ground
15
Ground
4
+5V
16
PS_ON
5
Ground
17
Ground
6
+5V
18
Ground
7
Ground
19
Ground
8
PWRGD
20
-5V
9
+5VSB
21
+5V
10
+12V
22
+5V
11
+12V
23
+5V
12
+3.3V
24
Ground
Pin
Signal Name
4
+12V
3
+12V
2
Ground
1
Ground