Chapter 3 – AMI BIOS Setup50Industrial DIN Rail Network Appliance ICS-62703.4.6.1 Serial Port 1 ConfigurationOptions summary:Use This Device DisabledEnabledEnable or Disable this Logical Device.Possible: Use Automatic SettingsIO=2F8h; IRQ=3;IO=3F8h; IRQ=4;Allows user to change Device's Resource settings. New settings will be reflected onThis Setup Page after System restarts.Mode: RS232RS422RS485UART RS232, 422, 485 selection