User`s manual
MANO873 Series All-In-One Mini ITX Board
20 Board and Pin Assignments
Power On/Off Button
Pin 9 and 10 connect the power button on front panel to the CPU board, which allows
users to turn on or off power supply.
System Reset Switch
Pin 11 and 12 connect the case-mounted reset switch that reboots your computer
without turning off the power switch. It is a better way to reboot your system for a longer
life of system power supply.
HDD Activity LED
This connection is linked to hard drive activity LED on the control panel. LED flashes
when HDD is being accessed. Pin 13 and 14 connect the hard disk drive to the front
panel HDD LED, pin 13 is assigned as cathode(-) and pin 14 is assigned as anode(+).
2.4.13 Digital I/O Connector (JP9)
The board is equipped with an 8-channel digital I/O connector that meets requirements
for a system customary automation control. The digital I/O can be configured to control
cash drawers and sense warning signals from an Uninterrupted Power System (UPS), or
perform store security control. You may use software programming to control these
digital signals.
Pin
Signal
Pin
Signal
1
DIO 8
2
DIO 1
3
DIO 7
4
DIO 2
5
DIO 6
6
DIO 3
7
DIO 5
8
DIO 4
9
GND
10
GND










