XP has no problem with it but you need the SATA connection to the board & also the SATA power connector. You can buy add-in cards that will give you this ability. Here are a couple to get you started- though I'm sure there are many vendors to choose from: http://www.acortech.com/.sc/ms/dd/1093618968810390/9/nc/Controller%20Cards/1072/Silicon%20Image%202%20Port%20Serial%20ATA150%20Raid%20%26%20Controller%20Card and the power here: http://www.directron.com/directron/idesatapower.html Lynn The NOSPIN Group is now offering Free PC Tech support at our newest website: http://freepctech.com