Yeah, the RAM upgrade was on the XBOX.
http://www.xbox-linu..._Xbox_RAM_HOWTOYeah the DouX2 won't come with any wire (unless the re-seller adds it for you). If you need to buy some I'd recommend using 30 AWG wire, which you should only need a small peice for the D0 (unless you have a 1.6 box).