DFI HM100-HM86 - Manual (Page 21)

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21
Chapter 2 Hardware Installation
Chapter 2
Cooling Fan Connectors
The fan connectors are used to connect cooling fans. The cooling fans will provide adequate
airflow throughout the chassis to prevent overheating the CPU and system board components.
BIOS Setting
The Advanced menu (“PC Health Status” submenu) of the BIOS will display the current speed
of the cooling fans. Refer to the chapter 3 for more information.
System Fan
1
3 Sense
Power
Ground
The 4-bit input and 4-bit output Digital I/O connector provides powering-on function to exter-
nal devices that are connected to these connectors.
1 4
+12V Ground 5VSB +5V
Digital I/O power
Digital I/O
Digital I/O Connector
Digital I/O Power Connector
Digital I/O Connector
Pins Function
0 DIO7
1 DIO6
2 DIO5
3 DIO4
4 DIO3
5 DIO2
6 DIO1
7 DIO0
CPU Fan
1 3
Sense Power Ground