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<blockquote data-quote="doveman" data-source="post: 747505" data-attributes="member: 67412">Yes you're right that this card (and other ATI and Nvidia cards I believe) have a problem when running in multi-display mode, even at idle/2D, that causes the clocks to run at semi-3D speeds but they should stay steady.However, with the help of someone over at the AMD forums, I've found that there's two things that cause these constant clock speed changes and high GPU spikes with MP. One is having Morphological Filtering enabled (which I need disabled anyway, as it messes up MP's fonts) and the other is running MSI Afterburner's OSD feature, which ironically was the thing that alerted me to the problem in the first place!With those two disabled, the clocks stay steady and whilst there are still GPU spikes, which don't happen when running in dual-screen mode, they stay below 10%, compared to the up to 44% I was getting before.Here's a screenshot, showing Afterburner's OSD off, then on, then off again:<a href="http://imageshack.us/photo/my-images/803/gpuzsingledisplaymphome.gif/" target="_blank"><img src="http://img803.imageshack.us/img803/8500/gpuzsingledisplaymphome.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></blockquote>

[QUOTE="doveman, post: 747505, member: 67412"] Yes you're right that this card (and other ATI and Nvidia cards I believe) have a problem when running in multi-display mode, even at idle/2D, that causes the clocks to run at semi-3D speeds but they should stay steady. However, with the help of someone over at the AMD forums, I've found that there's two things that cause these constant clock speed changes and high GPU spikes with MP. One is having Morphological Filtering enabled (which I need disabled anyway, as it messes up MP's fonts) and the other is running MSI Afterburner's OSD feature, which ironically was the thing that alerted me to the problem in the first place! With those two disabled, the clocks stay steady and whilst there are still GPU spikes, which don't happen when running in dual-screen mode, they stay below 10%, compared to the up to 44% I was getting before. Here's a screenshot, showing Afterburner's OSD off, then on, then off again: [URL=http://imageshack.us/photo/my-images/803/gpuzsingledisplaymphome.gif/][IMG]http://img803.imageshack.us/img803/8500/gpuzsingledisplaymphome.gif[/IMG][/URL] [/QUOTE]

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