I had the same problem, Windows XP wouldn't install cause it couldn't find the WD Raptor SATA drive at all. I tried installing the drivers, etc. and nothing worked. Finally, I used my friends version of Windows XP SP1 and it installed perfectly.
Hope this helps.
<P ID="edit"><FONT SIZE=-1><EM>Edited by ludwig on 04/19/05 01:49 AM.</EM></FONT></P>