Chapter 3 – AMI BIOS Setup 46Mobile NVR VPC-5600S3.4.6.5 Serial Port 4 ConfigurationOptions SummaryUse 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 on ThisSetup Page after System restarts.