USB?
plug it in and it should work, mostly work
I have had problems with the tablet not being as big as the screen so the cursor would stop short of one side of the screen, and other very annoying problems. So I packed it up.
Are you using a dual head? I am not sure it will even work on that?
Got this link?
http://linuxwacom.sourceforge.net/
Best of Luck,
Pat Jr.