You will have to do it the same way as me, as i have the external modem with tiscali, with a crossover cable running from your x box, to the back of you computer.
Check my topic for info on how to set it up. There is a few links in there too.
:turned:
http://www.trials-forum.co.uk/forum/index....showtopic=55316
Will only cost you the price of the cable, has to be a crossover network cable.