EDIT: I just find this, saying the mobo I selected doesn't work with Linux due to the chipset.
Now I know BSD isn't Linux, but wouldn't it be expected it would give problems under Linux too, then?
http://ubuntuforums.org/showthread.php?t=890604
EDIT EDIT ( :-)): it seems to work with the latest Ubuntu distro:
http://www.phoronix.com/forums/showthread.php?t=14808
How can I tell if the chipset will work with FBSD then? Or is this all rambling non-relevant for FBSD?