xbox diferences

[Luci]

what's the main xbox CRYSTAL and the black one's main differences?i mean hardware not the outside...
and how can you learn the version of the xbox?

[AXmichigan]

http://www.xbox-scene.com/versions_1.php
thats how u tell the versions of the xbox..
i believe crystal ones are 1.4?
im proooobably wrong though
rms noes i think