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