Raincoat is a BIOS flashing utility that supports various flash types that are found in Microsoft's Xbox.
It used to be broken on FreeBSD, but I have ported and tested it on my Xbox running FreeBSD (see http://nexus.il.fontys.nl/).
Because it is useful to have this utility in the ports tree, I have built a port for it.
Download the port available at:
How-To-Repeat: Install FreeBSD on your Xbox.
New port added. Thanks!