User`s manual

SBC86822 Series All-In-One Mini ITX Board User’s Manual
Jumpers and Connectors
35
You can enter the BIOS CMOS Setup Utility to configure the address
selection of onboard parallel port, CN21 (378H) or Disabled.
CN21: Parallel Port (Box Header) Connector Pin Assignment
Pin Signal Pin Signal
1 Strobe# 2 Auto Form Feed#
3 Data 0 4 Error#
5 Data 1 6 Initialize#
7 Data 2 8 Printer Select In#
9 Data 3 10 GND
11 Data 4 12 GND
13 Data 5 14 GND
15 Data 6 16 GND
17 Data 7 18 GND
19 Acknowledge# 20 GND
21 Busy 22 GND
23 Paper Empty# 24 GND
25
Printer Select 26 NC
CN21
2.4.13 Digital I/O Port (DIO) Connector (CN22)
The board is equipped an 8-channel digital I/O connector CN22 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. The digital I/O is controlled via software
programming.
Please refer to next page for the detailed pin assignment list.