I just bought a AMD 6000+ Athlon, but it shows only 3ghz in windows and other third party system-info programs. After looking around in google for the solution i found that your suppose to change the CPU frequency. By default it was already set at 200 which is the minimum, the maximum you can put is 400. But if i put anything above 225 my computer doesn't start up properly. Putting the frequency to 225 increase the CPU to 3.25ghz but this is not enough!!!