Other Serial Port (no replies)

Hello,

I have a RUMBa board and i want to connect it to a raspberry pi. But as far as i know there is no driver for the usb connection. The board has an other serial port which is already on pin headers. So I would like to use this directly. Is there an easy way to change the serial port in the firmware? I was looking at the source code but couldn't find it.

Maybe someone could give me a hint where these settings are located

Thank you!

(nice peace of software by the way)