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Author Topic: Windows and 2 HD5850  (Read 924 times)
gellimac
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July 08, 2011, 08:56:39 PM
 #1

Hi

I am on Windows 64bit with 2 HD 5850 NON-CROSSFIRED.
I can OC the first one with Trixx but I don't know how OC the second one, when I try with MSI After Burner, I can go over 900Mhz and change the voltage.

Thanks
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Convery
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July 08, 2011, 09:22:50 PM
 #2

Tell Trixx to sync GPUs?
gellimac
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July 08, 2011, 09:24:23 PM
 #3

I already tried I think it is only for crossfired GPU
1bitc0inplz
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July 09, 2011, 03:05:31 AM
 #4

I already tried I think it is only for crossfired GPU

If it's worth anything, I haven't figured out how to do these either. I'm half expecting the answer might be that Trixx just doesn't support multiple GPUs unless their crossfired.  Sad

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FreeJAC
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July 09, 2011, 08:54:57 PM
 #5

I suspect that is the case as well. One would think there would be a registry hack somewhere that might allow you to change the card. I will take a peek around once my 1x=>16x cable comes in. The other idea I was thinking was flashing the cards OC'ed once the sweet spot is found individually. 

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borgfish
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July 10, 2011, 12:54:29 PM
 #6

amd gpu tool (second latest with 58* builtin) can oc the second then. msi afterburner could set fan (and voltage perhaps)
i work with those 3 for my 2 5850's
gellimac
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July 10, 2011, 06:38:34 PM
 #7

amd gpu tool (second latest with 58* builtin) can oc the second then. msi afterburner could set fan (and voltage perhaps)
i work with those 3 for my 2 5850's

with MSI AB I can't change voltage, indeed with the AMD tool I can OC to 900MHz but I can't reach 1000MHz like TRIXX...
Jack of Diamonds
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July 11, 2011, 06:15:23 AM
 #8

If they're Sapphire, no other program can overvolt them than Trixx. No version of afterburner supports the voltage control chip on those PCBs either.

The problem is, Trixx is a half-assed monitoring & OC tool. It will only work on 1 gpu at a time (or a dual gpu which is crossfired). There is no way to force it to change settings on a different card unless both are crossfired.

It doesn't even come with a config file, only a single .exe

Contact them & request support for multiple GPUs in the next release.

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