When I installed 2 barton 2600+'s the bios shows them windows xp pro only shows one not 2 ASUS PROBE in windows shows 2 cpu's but windows only shows as single cpu system .PLEASE help. Bios shows them as MP capable also . Whats wrong with windows only showing 1. Latest bios on board , both chips are "MP's" . Put my old 1900+'s in and everything works fine windows shows both.HELP !!