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Crossfire issues? - Page 2

post #11 of 18
Thread Starter 
Quote:
Originally Posted by Ken1649 View Post
Click on "setting" > Enable User Fan Profile

Edit:

Do not use Overdrive to control fan speed to interfer with Afterburner.
It shows the ASUS profile, but fan the will still not react to the adjustment slider, does nothing....
    
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post #12 of 18
Do not use Overdrive to control fan speed to interfer with Afterburner.

You don't have to set fan profile for each card. You can use one setting for core/memory/voltage and fan profile > click on Sync for all cards > apply > apply overclocking at system startup > done.

If you set csutom fan profile in Afterburner, don't use the slider. Look in the settings, you won't miss it, check each tabs everything is there.

After that if the second card will not take instruction from Afterburner, open up GPU-Z. But do the basics above first.

Edit:

Disable ULPS if Afterburner is used.

To change ULPS:

1. Go to regedit (start > search programs and files > "regedit")
2. In drop down menu > find file > type "enableulps"
3. For ALL instances (keep pressing F3) change the "1" value to a "0".
4. Restart PC.



Edited by Ken1649 - 10/13/11 at 4:27am
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post #13 of 18
Thread Starter 
I believe that they are both working now with MSI Afterburner!

Thanks for your time and effort, it's much appreciated!
    
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post #14 of 18
Ok have funs
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post #15 of 18
Thread Starter 
Where these are 2 different cards, even though they are both 5870's, one being a 2 gb card and the other a 1gb card, do you think that will hinder or improve performance?

After using the crossfire setup, I havn't really seen much of a difference yet.
    
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post #16 of 18
You should get more FPS at the same settings as compared to running one card. But now you are limited to 1gb of VRAM. Each card must put in the same amount of memory. You crossfire 2gb and 1gb, the effective memory is 1gb.
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post #17 of 18
Thread Starter 
Yea, I didn't realize this card only had 1gb. of Vram....

That sucks, I do alot of FSX, that was the main reason to do the crossfire.
    
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post #18 of 18
Quote:
Originally Posted by hogans View Post
Yea, I didn't realize this card only had 1gb. of Vram....

That sucks, I do alot of FSX, that was the main reason to do the crossfire.
Though with the VRAM disparity, you should see performance gain FPS wise.

Use GPU-Z under the sensor tab to monitor the activity of both cores. Something is not right.

Got no idea about FSX or how it should perform with crossfire. Try different games and see if both cores are pegged. Also, do not forget to instal CAP (Catalyst Application Profile for crossfire).
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