No matter what I do in Setup, the Win7-64 DVD is not recognised during boot. For a few seconds, just before it asks if I want to boot from CD, the drive light goes on, then off, THEN it asks the question (I touch any key), and after that never looks at the drive again. It continues to boot XP Pro. I have spent countless hours trying to figure out what might be wrong here, to no avail. I can run another DVD fine, just not the Win7-64 one, for some reason. Dual Xeons, SCSI drive, 8 GB.