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4x gtx680 NON SLI

Last response: in Graphics & Displays
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February 15, 2013 3:20:06 AM

Hi guys,

Im having troubles with a system. After installing graphics drivers, I checked device manager and it shows that one out of the 4 gtx680's is not working. Says something about could not start due to not having enough resources. The M/B is Gigabyte x79-up4 which supports 4 way SLI, so having 4 gtx 680's shouldn't be a problem. I don't think any of the graphics card is dead either, as they work fine one by one.

Does anyone know what could be the problem??

More about : gtx680 sli

a c 87 U Graphics card
February 15, 2013 3:23:35 AM

Supporting four-way SLI usually means that it supports two dual-GPU cards, not four single GPU cards. IDK if that's your issue, but it might be.
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a c 87 U Graphics card
February 15, 2013 3:26:46 AM

Looking up the mobo specs, it seems that it does support four single GPU cards. Please post full system specs and we'll see about solving this issue.
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Related resources
February 15, 2013 3:32:15 AM

GA-x79-up4
i7-3820
4x asus gtx 680
1200w silverstone psu
32 gb corsair ram

Its strange. I put in 4 low end quadro cards and same problem.
Thanks for your help guys.
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a b U Graphics card
February 15, 2013 3:35:04 AM

Disable unnecessary I/O ports such as COM (serial) and LPT (parallel) in BIOS.
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February 15, 2013 3:58:09 AM

Nope still same problem... Might have to replace the M/B and see how it goes, but that's my last resort.

Any other suggestions before that?
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a c 87 U Graphics card
February 15, 2013 4:01:21 AM

I suppose that you could try a BIOS update. I've tried Google to see if this is a common problem, but no luck so far.
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a c 185 U Graphics card
February 15, 2013 4:07:25 AM

BigMack70 said:
Are you using an SLI bridge or no?
+1
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February 15, 2013 4:18:35 AM

No SLI guys.
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February 15, 2013 4:20:54 AM

Yeah BIOS is up to date and I've tried google no luck. This is one of the uncommon systems I guess. I think its being used for multi display or something.
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!