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L4D2 + crossfire - Page 2

post #11 of 18
I have no issues with 2x5870's crossfired, although honestly L4D2 runs so well on a single 5870 that I doubt I would notice. I would definately leave Multi-core Rendering ON unless you are having a problem.

Playing L4D2 Coop Campaign's is how I spend most of my gaming hours.
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post #12 of 18
Quote:
Originally Posted by BinaryDemon View Post
Playing L4D2 Coop Campaign's is how I spend most of my gaming hours.
Girlfriend is a L4D addict.. the fact that it is easy to run means i can use software to run 2 instances of it on one system and we can play 2 player on 2 separate monitors and 2 separate mice/keyboards off of one computer!

loads of fun
    
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post #13 of 18
Quote:
Originally Posted by Lifeshield View Post
Since when is a GTX580 CrossFireX?

OP it runs fine for me. Try playing with Multicore Rendering as some others have suggested, or turning down your AA a little. I always find with Valve games, on my rig, that some of them don't like AA in CrossFireX much not that you should even be having that issue with 2 x 6950s.

Also install CAPs (which is your most likely reason). They're there for a reason. And yes they do support the Left 4 Dead series. they support Left 4 Dead 1, 2, and the DLC. Google it for proof.
When did I say I had Crossfire?????
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post #14 of 18
I have a 5970 (so, technically, crossfire), and I sometimes get a bug where I get silly low frames when there is a lot on the screen, a restart of the game fixes it if it occurs, and I get 2-300FPS constant.

On 10.11.
    
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post #15 of 18
Quote:
Originally Posted by PcKiller View Post
When did I say I had Crossfire?
Read the thread title.

Quote:
L4D2 + crossfire
How is Left 4 Dead working on a Nvidia card, that doesn't run in CrossFireX, relevant to this thread or even this guys issue?

If there's some underlying point please share it with us, because I just don't see what it is.
Edited by Lifeshield - 6/21/11 at 5:20pm
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post #16 of 18
I was just trying to help not start some flame war about ATI and Nvidia. There are others here who are using Nvidia cards to play.
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post #17 of 18
Thread Starter 
thx for all the help so far guys ... I've tried the suggestions ... amd CAP, vsync on/off, multicore rendering on, AA and AF filter lower, and even though for the most part I get up to around 200's fps it still seems to suddenly drop enough to cause a little choppiness during some intense scenes ... weird
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post #18 of 18
Quote:
Originally Posted by dezerteagle323 View Post
thx for all the help so far guys ... I've tried the suggestions ... amd CAP, vsync on/off, multicore rendering on, AA and AF filter lower, and even though for the most part I get up to around 200's fps it still seems to suddenly drop enough to cause a little choppiness during some intense scenes ... weird
Bare in mind that you can get what is called Microstuttering when using multiple GPUs. That could be what you are experiencing. It seems a little like lag or low FPS. Most of the time it's not really evident it's happening.

Play the same scene in windowed mode (CrossFireX only works in full screen) and you'll probably (most likely if everything else has been tried anyway) find it doesn't happen.

Quote:
Originally Posted by PcKiller View Post
I was just trying to help not start some flame war about ATI and Nvidia. There are others here who are using Nvidia cards to play.
You're missing the point. Completely., Lol.
Edited by Lifeshield - 6/22/11 at 12:23am
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