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Cant unlock Voltage in AfterBurner. Sapphire 6870

post #1 of 7
Thread Starter 

I want to start Overclocking which I very rarely ever do so pardon my ignorance here. I bought a Sapphire 6870 1GB & I got everything installed but I cannot seem to unlock the Voltage Option in AfterBurner. Afterburner currently lets me set the card at 1000/1250 (Stock Clocks are 900/1050)

 

I am wondering this as well. Is the cards VRM's capable enough to run 1000 core / 1250 Mem? What is the best stress test to use?

 

http://www.newegg.com/Product/Product.aspx?Item=N82E16814102948


Edited by 4LC4PON3 - 1/7/12 at 4:06pm
Intel
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Intel
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post #2 of 7
I haven't used Afterburner but the easiest way to gain voltage control is to download Sapphire TRIXX, which is sapphire's overclocking software. I am currently using it now to overclock my sapphire 6870. Hopefully you good a good overclocker, i cant pass 930 on the core without a lot of voltage.
Edited by MetalMax707 - 1/7/12 at 4:55pm
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post #3 of 7
Quote:
Originally Posted by MetalMax707 View Post

I haven't used Afterburner but the easiest way to gain voltage control is to download Sapphire TRIXX, which is sapphire's overclocking software. I am currently using it now to overclock my sapphire 6870. Hopefully you good a good overclocker, i can just past 930 on the core without a lot of voltage.

This!

Afterburner is not so good. Use trixx for much better results. I can push past 1ghz core on mine using trixx.
post #4 of 7
Thread Starter 

Yeah I completely forgot about Trixx. Just installed it. What is the best stress test to run.

Intel
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Intel
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post #5 of 7
i use OCCT gpu stress because it detects errors and detects them fast. I run it for about 5 mins and if i see no errors than i up the core or memory clock, and once i am happy with the clock speeds that i am at, i run for 30 mins to just make sure that it is completely stable.
Max's Rig
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2500K @ 4.8 1.370v Asus P8P67 PRO 3.1 Sapphire 6870 8GB Mushkin 1600mhz cas 9 
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WD Black 500GB 7200RPM Noctua NH-D14 Win7 x64 SP1 Asus VE247 LED 
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Corsair TX650 NZXT Phantom White 
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Max's Rig
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post #6 of 7
For future reference. To get voltage control working in afterburner you need to go into afterburners config file and adjust the following:

Find the Enable Unofficial Overclocking EULA in the afterburner config file and put this after it: I confirm that I am aware of unofficial overclocking limitations and fully understand that MSI will not provide me any support on it

Also change Enable Unofficial Overclocking to "1" instead of "0".

Now all you have to do is the the box to enable voltage control in afterburner. Bare in mind though if you have a non reference card this may not work.
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Tevatron K
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post #7 of 7
Quote:
Afterburner is not so good. Use trixx for much better results.
some elaboration is required. i may be interested. been using afterburner for some time.
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