Extreme Overclocking has posted an article on modding your KT7/KT7A board to some EXTREME voltages
The key lies in being able to change the voltage cut-off point that the voltage regulator cuts power to the system in an "over voltage" situation, which the default max is a little over 2.1v... IRead more
totally blew that number away, but you will have to read the review to find out what I achieved. Just for kicks, I used a Duron 800, which wouldn´t even reach 1GHz before, well now it ran at 1.2GHz, and even posted at 1.25GHz (but windows crashed and burned)