Advantech AIMB-584 User Manual page 66

3.2.2.14 Second Super IO Configuration
AIMB-584 supports 2nd super IO for COM 3-6, so this page of the BIOS menu is to
set respective serial port configuration.

Serial Port 3 Configuration
– Serial Port [ Enabled ]
To "enable or disable" Serial Port 3.
– Device Settings: IO=C80h; IRQ =10
– Change Settings [ Auto ]
To select an optimal setting for serial port 3.
– Auto flow control [ Disabled ]
When the COM is to set as RS-485, it supports auto flow control function.
AIMB-584 User Manual 54