10
Installing the Motherboard
Connecting Case Components
After you have installed the motherboard into a case, you can begin con-
necting the motherboard components. Refer to the following:
1 Connect the CPU cooling fan cable to CPUFAN1.
2 Connect the case cooling fan connector to CASFAN1.
3 Connect the case speaker cable to SPK1.
4 Connect the case switches and indicator LEDs to the PANEL1.
6 Connect the standard power supply connector to ATX1.
7 Connect the auxiliary case power supply connector to ATX2.
CPUFAN1/CASFAN1: FAN Power Connectors
SPK1: Internal speaker
Pin Signal Name
1 VCC
2 Key
3 GND
4 Signal
Pin Signal Name Function
1 GND System Ground
2 +12V Power +12V
3 Sense Sensor
The fan power requirement for proper operation is a maximum current of 740mA
at +12V.