I'm not the least worried about this, but in evox it says that my bios is unknown. Is this a prob at all (as long as my box works fine?)? There is no backup of the bios on my C:\ (xbox) so do I need to get another from #xbins to use FanCbox or Xbtool on it?

You just need to add the hash of the bios to the evox.ini file is all.

and you can leave it like that, there is no problem. if you want it to say something look at the hash that says current = whatever and copy it up with the the others to name it something.

look through here and see if you can find yours in the list :

http://forums.xbox-scene.com/index.php?showtopic=43437