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how to enable SLI without the bridge?

post #1 of 18
Thread Starter 
I'm stuck, I don't have my bridge yet, it's in the mail.

I was told I could SLI without the bridge.

How do you enable it. GPU-z and MSI Afterburner alike recognize both cards, but I don't know how to enable it.

I looked in nvidia control panel but there's no option.

I'm running forceware 260.99 drivers.

And I don't want to upgrade since they're the sweet spot in terms of performance for me.

Anyone?
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post #2 of 18
Thread Starter 
anyone? I've heard this said twice now by two different members of OCN.

How do you do it?

It's not in NVCP, i have no idea how to set this up.
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post #3 of 18
Thread Starter 
anyone? I have both cards waiting to be put into SLI. I need an answer. Stat.
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post #4 of 18
Technically you're supposed to wait 24 hours before bumping...
But you know, you just could wait.
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post #5 of 18
have you checked to see if you can enable sli in the nvidia control panel?
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post #6 of 18
Don't thread bump so much....

...and don't bother. SLI w/o the bridge only works ok for low-end cards. Otherwise, just run a single card.
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post #7 of 18
Quote:
The 8600 GT is one of the few cards that does not require the use of the SLI bridge because of the relatively low bandwidth the card uses. In a scenario where you have two high-powered cards, say two 8800 GTXs, the bridge becomes vital for optimum performance. When the bridge is removed, the GPUs are forced to communicate across the PCI-Express bus, and with low-bandwidth cards (such as yours) there is enough "spare" bandwidth so the GPUs can communicate and access the necessary data without over-saturating the PCI-E bus. Your support personnel were correct in their claim.

Source: http://forums.nvidia.com/index.php?showtopic=117747

Google works wonders. Just sayin'.
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post #8 of 18
Thread Starter 
Quote:
Originally Posted by Ipwnnubletz;12063105 
Source: http://forums.nvidia.com/index.php?showtopic=117747

Google works wonders. Just sayin'.

Sorry for the multiple bumps. I've heard of other people SLI'ing without the bridge.

I checked in Nvidia Control Panel, nothing there.

And duckie, wouldn't it at least yield a noticeable difference? I might as well fart around with it if it does.

Again, NVCP, Afterburner, and GPU-z all report 2 cards.

I just have no way to set SLI.

And that link buddy provided says nothing about how to enable it, he just says that two 8600GT's can be SLI'd without the bridge rolleyes.gif
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post #9 of 18
i found this on nvidia forums:
I have noticed under the newer drivers that I can not enable SLI without a bridge in place, nor does it give me the option for SLI. But as soon as I start the PC with the bridge in place I again get the option to SLI again. I have experienced this with GTX 260's in SLI, GTX 285's in SLI, 2 GTX 295's in Quad SLI ( with 2 gtx 295s without a bridge I get the option to enable Multi gpu but if i do, it tries to enable both and causes a driver crash) and also GTX 470's in SLI. So it would seem that SLI without a SLI bridge in place isnt an option any longer.

So my question is do either one or both of you have a SLI bridge in place.

http://forums.nvidia.com/index.php?showtopic=179336
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post #10 of 18
Dont bother without a bridge
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