i have been running a p3 600e @ 810mhz in my system for a year or so now. someone gave me a p3 850e the other day... so i threw it in my system.... it won't even run stable at 850mhz..... when it gets into win2k it just freezes....... i've played w/ the voltage..... tried everything between 1.65 to 1.90.... runs somewhat stabe at 1.90v at 986mhz but freezes sooner or later.......... when i have it at 986mhz it messes w/ my netcard and i can't use my LAN internet connection....... but if i step it down the LAN works fine... but the machine freezes within a few minutes. anyone have any clue what is going on.... i have an asus p3v4x... and am cooling it with a golden orb