Chapter 3 – AMI BIOS Setup 39Fanless Embedded Box PC BOXER-64053.4.5.3 SIO Configuration: Serial Port 3 ConfigurationOptions summary:Use This Device DisabledEnabled Optimal Default, Failsafe DefaultEnable or Disable this Logical Device.Possible: Use Automatic Settings Optimal Default, Failsafe DefaultIO=3E8; IRQ=11;IO=2E8; IRQ=11;Allows the user to change the device resource settings. New settings will be reflectedon this setup page after system restarts.Mode: RS232 Optimal Default, Failsafe DefaultRS422RS458UART RS232 RS422 RS485 selection