Hardware Installation

2.7.8 CPU Fan Connector

The processor must be kept cool by using a fan with heatsink. Connect the CPU fan to the 3-pin fan connector at location J3 on the system board. The system is capable of monitoring and controlling the speed of the CPU fan.The CPU fan, together with the chassis fan, will automatically turn off once the system enters the Suspend mode.

Pin

Function

 

 

1

Ground

 

 

2

On/Off

 

 

3

Sense

 

 

2

2.7.9 Chassis Fan Connector

If you are installing a chassis fan in the system unit, connect the fan’s connector to location J15 on the system board.The fan will provide adequate airflow throughout the chassis to prevent overheating the processor. The system is capable of monitoring and controlling the speed of the chassis fan. The chassis fan, together with the CPU fan, will automatically turn off once the system enters the Suspend mode.

Pin

Function

 

 

1

Ground

2

On/Off

 

 

3

Sense

 

 

29

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DFI 40800950 manual Hardware Installation CPU Fan Connector, Chassis Fan Connector, Pin Function Ground On/Off Sense