Chapter 3 – AMI BIOS Setup37Fanless Embedded Box PC BOXER-6403WT3.4.7.1 SIO Configuration: Serial Port 1 ConfigurationOptions summary:Use This Device DisabledEnabled Optimal Default, Failsafe DefaultEn/Disable Serial Port (COM)Possible: Use Automatic Settings Optimal Default, Failsafe DefaultIO=3F8; IRQ=4;IO=2F8; IRQ=3;Select an optimal setting for IO deviceMode: RS232 Optimal Default, Failsafe DefaultRS422RS485