Asus GTX 680 4GB SLI crashes when trying to load game.

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hollick

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Hi Guys,

I just purchased and installed 2 x Asus 4GB GTX 680's yesterday and am having major issues trying to load any game in SLI. Previously, I was running 2 x HiS Iceqx Turbo HD 6950's without any issue.

The Nvidia control panel allows me to enable SLI, but won't load any game, it just freezes in any of the games initial loading screens. I can watch youtube etc with it enabled, just can't load any games (tried SC2, BF3 and CSGO)

The games work if I disable SLI without issue. Here's what I've tried so far:

-Reformat with fresh driver install of the latest Nvidia drivers.
-Swapped cards to both run individually in Slot 1; they run individually without issue.
-Made sure Direct x 11 was up to date.
-Tried 2 different SLI bridges.

What I plan to try after work:
-Run 1 single card in the 2nd slot to see if there is a problem with that slot (all of a sudden, which as mentioned before worked %100 fine with the 6950 before I installed the 680GTX)

Anyone have anything else to try here? I am at my wit's end and am planning on returning these cards if I can't get it to work.

System Specs:

i5 2500K @ 4.4 ghz
1000W PSU
Asus P8z68-v pro
16 gb patriot ram


Thanks for any help offered.
 
Try reverting your CPU overclock back to stock to see if that helps.

You may end up having to bump vcore just a hair more to maintain the overclock with the additional power draw as it is drawing more power so there may be a slight more ripple in the 12v line with this new load causing instability.
 

hollick

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Thanks for replies guys - keep em coming if there's anything else recommended in this situation - JamesSneed, I was thinking the same thing, I will play with the vcore a little bit to see. Appreciate it guys/gals - seriously.
 

hollick

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Ok will do. Also, do I need to run more than 1 SLI bridge? There is room for 2, I can't see how or why I'd need more than 1, just curious. Also, with those 2 spots for SLI, does it matter which chip I connect them to? Closer to DVI output or closer to middle of case matter?
 


That seems wrong... From the specs of each card the max draw of the 6950 is 225w while the 680 is 195w.

http://www.bit-tech.net/hardware/2010/12/16/ati-radeon-hd-6950-review/4

http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-680/specifications

 



Your comparing apples to oranges, actual tests versus specs. See bottom chart for load comparison from another site. Im not going to argue the point any further.

http://www.bit-tech.net/hardware/2012/03/22/nvidia-geforce-gtx-680-2gb-review/12
 



the extra spot is for running 3way sli... only one sli bridge is needed and it does not matter which set you use
 

hapkido

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Maximum power usage with 2x 6950 and 2x 680 should be similar, so I doubt they're messing with your CPU overclock -- especially not when launching a game.

Is it a hard freeze, BSOD, or do the games just crash? Do the cards have any sort of OC?
 

hollick

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Thanks for clarification, that's what I was thinking just wanted to make sure all bases are covered here.
 

hapkido

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System power consumption (load)
6950: 210W
680: 256W

What am I missing here? Where does it say SLI 680s use 144W more than Crossfire 6950s?
 

hollick

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Hapkido thanks for the reply. The games just go to "Not responding" and have to be closed with ctrl alt + delete. With Starcraft 2 the loading screen appears but flickers a bit, then goes black and to "Not responding". With CSGO, The very beginning audio sounds loop and it's stuck on the "Powered by Source Engine" screen then goes to my steam library screen but still frozen and "Not responding".

I also get this "SLi" graphic before it crashes too:

1zq7slk.jpg


Note: This picture was taken from google images to show the graphic I'm talking about, and isn't of Counter Strike Source on my machine.


Hope that wasn't too confusing. Not sure if you have any of those games but tried to be descriptive as to how quickly the game freezes when it loads. I haven't OC'd anything on the GPU's myself. The drivers are the 310 latest's off Nvidia's site.
 

hollick

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Sorry Derza as mentioned underneath the pic, it was only a screenshot taken from google images to show the "SLi" green graphic I was talking referring to. I don't use precision X. Thanks for reply.
 

hapkido

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This doesn't sound PSU / overclock / power related at all to me.

Someone suggested the cause may be the SLI bridges, and that seems reasonable, although I don't know how likely it is you'd receive a bad bridge with both cards. It could be driver / software related, but I'd expect either SLI to not activate or for you to get BSOD if that were the case.

You don't need both bridges connected, but it shouldn't cause any issues if they are (I know it doesn't with crossfire). Maybe try connecting both. If that doesn't help, switch the way they're connected. That should eliminate the possibility of one bridge or one SLI port being bad -- but it still wouldn't rule out both bridges, both ports on one card, or opposing ports on each card being bad.
 


Ah ok my bad I missed that.
 

hollick

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Ok thanks for in depth reply. So frustrating to spend $1200 on GPU's to get shat on with disappointment :D
 

hollick

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Yes I tried both the Asus bridge included in my Mobo box as well as one purchased from same store I got my 680's from. Thanks.
 

hapkido

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Wow, I didn't know Nvidia cards didn't come with SLI bridges (I haven't purchased an Nvidia card in a while and the one I did was entry-level). Crossfire capable AMD cards usually come with a bridge -- both of my 5850s did.
 
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