Norberto and Daniel: I will try and post the results I have booting into YDL 4.0 asap for you guys. The only why I know how to do it is boot back into ydl 4.0 and jot down the results. I was wondering though'if I should try putting the old 603ev back in and trying it again,right now I am running a cresendo G4 400mhz proc in an 8600. Jim