i have a asus a7m266 rev 1.04 the bios is updated to 100.7 with the athlon 1200 thunderbird no problems. No i just both a xp 2100+ palimino processor. when i but the processor in the motherboard and turn it on nothing happens. when i put the 1200 back everything runs fine my question is are there settings i have to do , voltage slew rate etc please somebody help me thx in advance stefaan