DFI COM100-B - Manual (Page 19)

www.dfi.com Chapter 2 Hardware Installation
19
Chapter 2
Digital I/O Connector
The 8-bit Digital I/O connector (4-bit GPI and 4-bit GPO) provides powering-on function to
external devices that are connected to these connectors. The pin functions of these connectors
are listed as the followings:
2
1 19
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
COM1
COM2
I C
COM2
COM1
DIO
Cooling Fan Connector
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.
System Fan
1
3
Sense
Power
Ground
COM1
COM2
I C
COM2
COM1
SIO Fan 1 3
Sense
Power
Gr
ound