Overclocking via CCC sucks, causes my comp to lock up.
Used RivaTuner in conjunction with ATItool for overclocking,
got this to 730/1160, temps always below 60C. I do have a side fan blowing right where this card is, but man this is awesome, I was not expecting it to OC so far.
Ok turns out I wasn't able to play any games at 730/1160. For whatever reason, ATItool working fine wasn't good enough. I would get into UT3 and the video would lock up...almost instantaneously.
The overclocking problems I had in Catalyst were a result of using both displays while overclocking. I went back to one display and autotune took me to 690/1125, where I am sitting now.
I solved the UT3 locking up issue by turning off desktop composition when I launch the shortcut. Hasn't locked up since.
i've been running 2x 1 GB powercolor 4850s in crossfire for several months now. runs most stuff at high settings just fine. Some newer games I need to lower settings a bit though.
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