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Old 09-25-09   #1 (permalink)
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Default SLI Problems!

I am trying to SLI my two GTX 275's but whenever I load a 3d Application the core clock on the first 275 will go to its 3d mode but the second one wont. And I think its causing problems with my performance. Here is a picture:

Look at the core clocks and shader clocks in this image. Why do they keep going up and down? The memory clocks are doing the same thing(just so you know)...



This is causing folding problems for obvious reasons and I need to get this fixed!

Any ideas?
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Old 09-25-09   #2 (permalink)
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I think folding in SLI isn't supported so its' only using the one card, hence only the one card is going into 3D mode.
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Old 09-26-09   #3 (permalink)
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Go to NCP> Manage 3D Settings> Power Management Mode> Prefer Maximum Performance.
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Old 09-26-09   #4 (permalink)
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Quote:
Originally Posted by zodac View Post
Go to NCP> Manage 3D Settings> Power Management Mode> Prefer Maximum Performance.
Do this. The F@H app likes not to be disturbed with low power.

Also disable any screensaver and make sure your clocks are stable.
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Old 09-26-09   #5 (permalink)
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Quote:
Originally Posted by SUPER PISSED View Post
I think folding in SLI isn't supported so its' only using the one card, hence only the one card is going into 3D mode.
The current ones allow SLI to be enabled. You still need to run 2 instances of FAH though.
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Old 09-26-09   #6 (permalink)
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Quote:
Originally Posted by SniperXX View Post
The current ones allow SLI to be enabled. You still need to run 2 instances of FAH though.
Oh ok. Didn't know that.
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