sounds pretty normal to me, Backups seem to make a lot more noise than originals. But if it was a problem with GD-ROM alignment, the DC wouldnt boot every game (if any) and probably would reset a lot.
Hey guys, hows it goin? Im dave and im new on these forums. Im a mega dreamcast fan so I hope ill fit in here. Take care and I hope to find some cool people who share the same interests.