Running Linux On A Xbox

aight..i dont know 4 sure wether it is or not, i got it in 2005, but the xbox-linux site sed i cannot mod a 1.6 xbox...it also sed xbox's made in 2005 were 1.6, and the xbox scene told me i had a special edition PAL xbox.....so i wud have no idea..i have a normal ntsc xbox. but ill try a new distro, if not then ill try it on my frends box cuz his is older. thx 4 the help