User`s manual
IMB205 LGA1156 ATX Motherboard User’s Manual
Jumpers and Connectors
24
2.4.12 Digital I/O Port (DIO) Connector (CN20)
The board is equipped an 8-channel digital I/O connector CN20 that
meets requirements for a system customary automation control. The
digital I/O can be configured to control cash drawers, sense warning
signals from an Uninterrupted Power System (UPS), or perform store
security control. The digital I/O is controlled via software programming.
Pin Signal Pin Signal
1
DIO 6
2
DIO 1
3
DIO 7
4
DIO 2
5
DIO 8
6
DIO 3
7
GND
8
DIO 4
9
GND
10
DIO 5
CN20
2.4.13 ATX 4 Pin 12V in Connector (CN21)
You can connect it to the ATX12V power supply for CPU Core Voltage.
Pin Signal
1 GND
2 GND
3 +12V
4 +12V
CN21