Advantech AIMB-228 User Manual page 47

 Serial Port [Enabled]
– Device Settings: IO = 3F8h; IRQ = 4
– Change Settings [Auto]
This item allows users to select the optimal settings for serial port 1.
Serial Port 2 Configuration

 Serial Port [Enabled]
– Device Settings: IO = 2F8h; IRQ = 3
– Change Setting [Auto]
This item allows users to select the optimal settings for serial port 2.
 Digital I/O Configuration
35 AIMB-228 User Manual