QUOTE(trilight @ Dec 2 2005, 01:18 AM)

That and the slayer's autoinstall but I don't see how that could be the cause of this mess.
If anything the slayers install is more of a problem than the modchip or the bios itself. Try booting with the chip off to really see if its your modchip. Maybe your xbox just doesn't want to read that disc, ive heard of that happening before. Also if its freezing and laggy it sounds like overheating could be an issue.