Quote Originally Posted by error8 View Post
There is no one here having any issues with this volt mod, on a 4870 card? It's driving me mad.

Now it seems that the voltage doesn't reset anymore, but after playing some 10-15 minutes I run into severe artifacts, even with a slight 830 mhz on the core. I'm also keeping the voltage bellow 1.34 V. And these artifacts don't go away until I restart my computer. Temperatures are perfect, with the stock fan blowing at 60-70%, I don't see the gpu going past 65 C. ATI tool can run for hours at this setting without any artifacts or crashes, but FEAR 2 it's only staying stable for 10 minutes. I find it hard to believe that my card does 815 mhz on stock voltage and it's unable to hit 830 mhz with 1.3-1.34 V.
65C is somewhat warm, my temps with the stock cooler didnt exceed 53-54C at full load but i do have a very cool case. I recomend you increase your fan speed for better stability. With my 1GB HD 4870 i couldn't even get to 815/945 without upping the stock cooler fan speed to 100%. I also recomend that in addition to ATI Tool you use some other utilities to test for stability like 3DMark06, Furmark and game benchmarks like Crisis and others. Those will help you determine whether the card is game stable. Additionally, keep an eye on your VRM temps, the stock cooler actually did a pretty good job keeping them down in my case but that also could be a problem.