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Sapphire 7950 running as a 1GB card instead of a 3GB card?

Last response: in Graphics & Displays
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August 26, 2012 10:36:18 AM

Ok, I'm having some major issues with my new system, mainly the Graphics cards. In CPU-Z and games they are showing as 2 1GB cards rather then 2 3GB cards.

They are showing as 3GB cards in the Catalyst though :S

System:
MOBO: ASRock X79 Extreme9
CPU: Core i7 3930k (stock speeds)
PSU: Corsair AX1200
Ram: G.Skill Ripjaws Z 16GB (4x4GB) 2133
GPU: 2 Sapphire Radeon 7950 3GB OC Crossfired.

They are showing as 1GB cards in 3DMark, CPU-Z and all of my games, what's going on D:

PCMark11 results on Extreme test. http://www.3dmark.com/3dm11/4221239
a b U Graphics card
a b à CPUs
August 26, 2012 11:00:22 AM

I would check them one at a time. It looks like you might have a defective card. If one of them is only showing 1gig that is all you will be able to use in Crossfire.
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August 26, 2012 11:23:53 AM

Checking this right now, also I forgot to mention, Catalyst shows them both as 3GB cards, but basically nothing else does. Also 1 card in testing atm is showing 1024MB i'll be back with the second card in a second
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August 26, 2012 11:30:36 AM

bryonhowley said:
I would check them one at a time. It looks like you might have a defective card. If one of them is only showing 1gig that is all you will be able to use in Crossfire.


Checked them 1 at a time, they both say they're only 1024MB -.- Surely 2 cards can't be faulty?
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Best solution

a c 84 U Graphics card
a b à CPUs
August 26, 2012 12:10:54 PM
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a b U Graphics card
a b à CPUs
August 26, 2012 12:39:17 PM

If you are using DXdiag to get those reports its a known bug. not sure if they fixed it recently.

+1 to trying GPU-z
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August 26, 2012 1:22:41 PM

Tried GPU-Z, it's saying 3GB so I know the cards aren't faulty, but why are all my games displaying them as 1GB cards? (Dirt3, GTA4 and Shift2 all do it so far)
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September 5, 2012 9:55:36 AM

Best answer selected by BennyF.
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October 5, 2012 11:30:09 PM

hi BennyF

Could you tell me if your problem is resolved or not ? because i have the same and i don't what to do to resolve it ! :( 
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October 6, 2012 1:28:23 AM

try enabling memory remap in bios.
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October 6, 2012 12:57:12 PM

memory remap is enabled :( 
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October 7, 2012 11:22:57 AM

no more suggestions ? please
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!