ok there is an internet site, i think if u type xbox on yahoo. and then look at the sites there there are a few links to the chip site, or u could just type chips for xbox or sumthin.. either way its an internet based site that delivers these chips with full fitting instructions that enables ur system to play other consle games, ie ps2........... sorry havent got the name of the exact site and more details, i hav a few mates of mates that hav done it so it does work, but they are also heavily into the coppied imports thing! and downloadin games and stuff!!