I have a dell optiplex gx280 and it has a pentium 4 2.8 processor and I made a 100 gb partition to put ideneb 10.5.5 on, along with xp on a 200ish gig partition. Instalationwent great, no problem, and now when I reboot, I get boot0: error and it won't let's boot from disk or xp, any ideas? I need at least the xp partition working!

Check the FAQ, the link is in my signature, to go into windows xp just have to repair the bootloader, use the XP disc to fix it.