In my BIOS (A7V600 mobo) I have the option to switch my AThlon XP 2700+ from 2167 to 2600. If I do this, my system won't reboot because of instability. I know my mobo has an FSB of 400MHz, but my RAMs are only 266MHz... if I upgrade my RAMs to 400MHz will I be able to clock my CPU to 2600, or is it simply not an option? Is there some other way to make my system capable of it?