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Chapter 2 Hardware Installation
Chapter 2
The 8-bit Digital I/O connector provides powering-on function to external devices that are con-
nected 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
1
DIO7
2
DIO6
3
DIO5
4
DIO4
5
DIO3
6
DIO2
7
DIO1
8
DIO0
1
8
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 Configuration” submenu) of the BIOS will display the current
speed of the cooling fans. Refer to chapter 3 for more information.
System_fan 1
1
3
Sense
Power
Ground
4
1
Sense
Power
Ground
Speed Control
CPU fan
1
3
Sense
Power
Ground
System_fan 2