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Discussion Starter · #1 ·
Im running a MSI Cyclone OC 6580 with a Sapphire 6850 as its slave. Both in Afterburner and GPU-Z it reports that both cards at running and crossfire is working fine. However, the slave card is said to be operating at 775/1000 and the MSI card is OC to 870/1120. I have Afterburner set to sync settings for both GPUs, but its not overclocking the Sapphire card. And I cant use Sapphire Trixx Utility because now its just crashes everytime I try to load it. IS there any other software that would let me set the slave clock speed to the master?
 

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Have you set MSI Afterburner to overclock similar GPU's in the settings menu?
 

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Discussion Starter · #3 ·
Yup, and the sapphire card will not clock to 870/1100. I tried switching the cards so I could use Sapphire trixx to overclock the sapphire card. But now crossfire doesnt work. Ran driver sweeper and did a fresh install of CCC but nothing.... only one card works now.....
 

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Discussion Starter · #4 ·
With the MSI card as slave, when I start Kombuster or any stress test program, it will clock up from 100/150 to 775/1000. But I will get no GPU load and then it clocks back to 100/150
 
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