Hello! The chip used by me to port FreeBSD to Efika is MPC5200B based on e300 core, which in turn is an enhanced version of 603e. Have a look: http://www.genesi-usa.com/efika.php Also, you can check my GSoC FreeBSD wiki from time to time: http://wiki.freebsd.org/PrzemekWitaszczyk Best regards, Przemek