AAEON EMB-QM87A - Manual (Page 43)

E M B - Q M 8 7 A
Serial Port 1 Configuration
Options summary:
Serial Port Disabled
Enabled
Enable or Disable Serial Port (COM)
RS232
RS422 Device Mode
RS485
Select working model
Auto
IO=3F8h; IRQ=4;
IO=3F8h; IRQ=3,4
IO=2F8h; IRQ=3,4
IO=3E8h; IRQ=3,4 Serial Port
IO=2E8h; IRQ=3,4
Select an optimal setting for Super IO device.
Chapter 3 AMI BIOS Setup 3-7