Legit Reviews posted part 2 of their overclocking the AMD 4200+ AM2 processor article series

When the dust finally settled we ended up with our test system topping out at 280MHz in the BIOS, which resulted in our test system running at 3071MHz. With the additional cooling help from the Nautilus 500 we were able to increase the voltage to 1.6V on the core and increase the overall frequency of our processor by 70MHz!

Overclocking The AMD 4200+ AM2 Processor Part 2