DFI HD632-H81 - Manual (Page 25)

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25
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.
Digital I/O Connector
Digital I/O Connector
Pins Pin Assignment Pins Pin Assignment
1 GND 2 +12V
3 DIO7 4 +12V
5 DIO6 6 GND
7 DIO5 8 +5V
9 DIO4 10 +5V
11 DIO3 12 GND
13 DIO2 14 +5V_Standby
15 DIO1 16 +5V_Standby
17 DIO0 18 GND
19 GND
19 1
2
Digital I/O
Cooling Fan Connectors
These 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.
4 1
Sense
Power
Ground Speed Control
CPU Fan
System Fan 2
1
Sense Power Ground
3
System Fan 1
1
Sense Power Ground
3