"Overclocking the APU was a bit more difficult as it is not a Black Edition processor so the multiplier is locked. The only way to get more juice out of it is by raising the voltage and pushing the reference clock up until it is no longer stable. I was able to squeeze just past 700MHz more by raising the reference clock to 125MHz. The kicker was the voltage had to be regulated just right because too little left me unstable and anything more than 1.48 volts made the processor too hot and forced it to throttle down to keep from overheating. It seemed anything more than 60 degrees Celsius, the APU would down-clock the multiplier to 26x or less making the overclock run worse than the stock speeds. As long as I kept the voltage under control, the overclock was stable and even ran Prime95 with no throttling."
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