I bought this card quite a while ago and now I started to mess around with overclocking it. The momory was fine, I was able to pump 1GHz up, the GPU was another story though. There I could add only like 50MHz, anything above made the screen flicker black and or crash the driver (the driver did most of the times restart itself). But the biggest problem I have is that just cannot overvolt the card. I tried like every overclocking software on the plannet and none of them did anything with the voltage, temperateres never hit 70°C. So I dont see why it does not work. If somebody can tell me what to do please tell me.