Axiomtek PICO841 - Manual (Page 56)

PICO841 Intel
®
Atom
TM
Processor E3845/E3827 Pico-ITX Board
50 AMI BIOS Setup Utility
 Serial Port 1 Configuration
Serial Port
Enable or disable serial port 1. The optimal setting for base I/O address is 3F8h and for
interrupt request address is IRQ4.
COM Port Type
Use this option to set RS-232/422/485 communication mode.