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GTX 460 SE SLI artifacts in Heaven

post #1 of 4
Thread Starter 
During what would be the 4th or 5th to last stage of the benchmark, I always get lines that flash across the screen. I am not actually running the benchmark, just letting the camera roam on cutscene so that it loops. I've tried giving the card an extra 0.050 V on top of the 0.9725 I already had it at (stock is 0.950), which I think should be plenty, and the artefact is still there. The cards are starting to get a little bit warm (nearing 70 degrees on my top card). Should I keep giving them more and more voltage, or have I hit the upper limit of my core/shaders (840 MHz)? Memory is still at stock 850 MHz real. The cards are stable at 0.9725 V on OCCT and the GPUGrid BOINC project.
post #2 of 4
Sounds like it could be screen tearing, especially since some latter parts of the benchmark run quicker than other parts. Try turning vsync on. If that doesn't help, it could be something to do with the sli, so try changing the sli setting that deals with how the cards share the work (i cant remember the term for it, Ive never used sli)
Edited by alltoasters - 11/13/11 at 2:16pm
     
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post #3 of 4
Are you sure the lines are artifacts?

I used to run two Zotac GTX 460s in SLI. I would get black artifacts in Bad Company 2. I think one of the cards was overheating (it would get up to 90+ C).
    
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post #4 of 4
Thread Starter 
I'm not entirely sure that the lines are artifacts. I've tried enabling v-sync and changing the SLI profile from a custom, nVidia recommended one to Force Alternate Frame Rendering 2 (from what I've read this is generally the most compatible), and the lines are still there, in the same place, at the same time, every run through the loop. I guess I'll try running through at stock speeds/voltage and see if that makes a difference.

Update: The lines are there at stock as well. Assuming that one or more graphics cards aren't defective, I'm going to stop using Heaven for stress testing 'cause I can't tell the difference between an artifact and whatever those lines are.
Edited by Iislsdum - 11/13/11 at 6:10pm
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