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Folding and SLI, what's the deal?

post #1 of 13
Thread Starter 
What exactly is the issue with this? I've heard plenty of times that SLI should not be enabled while F@H is running or that it's not even possible to run F@H with SLI enabled... but what exactly is the issue? I'm looking to pick up another 470 to SLI and I don't like complications...
Finally an update
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Finally an update
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post #2 of 13
Did you make this thread cause of this post?

Quote:
Originally Posted by LiLChris View Post
But F@H hates SLI, I am only stating that since we are in the F@H section and gaming is forbidden.
The reason is sometimes it tries to share 1 work unit between 2 GPU and it is slower cause the GPUs will not be used to its fullest. Same thing happens in BOINC. And when it doesn't share the work between the two GPUs it just crashes or won't start.

Sometimes you can get away with having it enabled and not experience any problems, it is the luck of the draw.
>.<
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>.<
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post #3 of 13
You can have SLI for gaming, you just need to disable it when folding.
post #4 of 13
Quote:
Originally Posted by Stanford
SLI or Crossfire does not have to be disabled to run the GPU client. However, SLI and CF cannot be used to make a dual GPU card or cards perform like one super GPU. The SLI and CF link does not have enough bandwidth to support that functionality. Run one FAH GPU client for each GPU chip.
Source
Windy
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post #5 of 13
Quote:
Originally Posted by kremtok View Post
Tell that to the hundreds who have problems with SLI on this forum and Stanford forums.
They need to update that to say "It may cause problems"
>.<
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>.<
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post #6 of 13
Quote:
Originally Posted by LiLChris View Post
Tell that to the hundreds who have problems with SLI on this forum and Stanford forums.
They need to update that to say "It may cause problems"
Don't shoot the messenger!
Windy
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Windy
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Full Auto GPU-O
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post #7 of 13
Quote:
Originally Posted by kremtok View Post
Don't shoot the messenger!


Messenger with bad info must be shot!
>.<
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>.<
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post #8 of 13
Thread Starter 
Quote:
Originally Posted by LiLChris View Post
Did you make this thread cause of this post?
As a matter of fact, yes. Although I've seen this said many, many times before.


So it looks like the word is basically just try it and see what happens.
Edited by AyeYo - 12/19/10 at 3:59pm
Finally an update
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Finally an update
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post #9 of 13
I fold with sli enabled. Never had any problems.. though I'm still pretty new to folding.
post #10 of 13
I could do SLI with gpu-2 cards and fold,haven´t been able to yet on fermi´s (450 or 460),so I switch between fold+no SLI,and gaming + SLI.

ah well,it probably comes in next client whenever it comes
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