11
Installing the Motherboard
CPU_FAN: CPU Cooling FAN Power Connector
ATX12V: ATX 12V Power Connector
ATX_POWER: ATX 24-pin Power Connector
SPK: Internal speaker
PWR_FAN (optional)/SYS_FAN: Cooling FAN Power Connectors
1 GND System Ground
2 +12V Power +12V
3 Sense Sensor
Pin Signal Name Function
1 Ground System Ground
2 +12V Power +12V
3 SENSE Sensor
4 CONTROL CPU FAN control
Function
Pin Signal Name
4 +12V
3 +12V
2 Ground
1 Ground
Pin Signal Name
4 Signal
3 GND
2 Key
1 VCC
Pin Signal Name
1 +3.3V 13 +3.3V
2 +3.3V 14 -12V
3 COM 15 COM
4 +5V 16 PS_ON
5 COM 17 COM
6 +5V 18 COM
7 COM 19 COM
8 PWR OK 20 -5V
9 5VSB 21 +5V
10 +12V 22 +5V
11 +12V 23 +5V
12 +3.3V 24 COM
Pin Signal Name Pin Signal Name
Users please note that the fan connector supports the CPU
cooling fan of 1.1A~2.2A (26.4W max.) at +12V.