AAEON TKS-G21-QM77B - Manual (Page 63)

E m b e d d e d B o x T K S - G 2 1 - Q M 7 7 B
Enabled
En/Disable specified serial port.
Auto
IO=2F8h; IRQ=3;
IO=3F8h;
IRQ=3,4,5,7,10,11,12;
IO=2F8h;
IRQ=3,4,5,7,10,11,12;
IO=3E8h;
IRQ=3,4,5,7,10,11,12;
Change Settings
IO=2E8h;
IRQ=3,4,5,7,10,11,12;
Select a resource setting for Super IO device.
RS232
RS422
Device Type
RS485
Configure COM2 operated as RS232, RS422 or RS485.
Chapter 3 AMI BIOS Setup 3-26