User`s manual
PICO820 Series All-In-One PICO ITX Board User’s Manual
Jumpers and Connectors
17
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
assigned as -, and Pin 14 as +.
2.4.8 Digital I/O Connector (CN8)
The board is equipped an 8-channel digital I/O connector CN8 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
9
8
7
6
5
4
3
2
1
1
Digital Input 0
2
Digital Input 1
3
Digital Input 2
4
Digital Input 3
5
GND
6
Digital Output 0
7
Digital Output 1
8
Digital Output 2
9
Digital Output 3
W83627HG-
AW GPIO
PIN Number
128
(GP110)
127
(GP11)
126
(GP12)
125
(GP13)
GPIO
Bit 0
Bit 1
Bit 2
Bit 3
CN8
PIN 1
PIN 2
PIN 3
PIN 4
PIN Define
Digital
lnput 0
Digital
lnput 1
Digital
lnput 2
Digital
lnput 3