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How To Enable Hybrid SLI?

post #1 of 15
Thread Starter 
I am building a system for a friend and just installed the video card. It is a GeForce GTS450 and running on an MSI NF750-G55 board. I just installed the drivers and want to know how to enable Hybrid SLI. I don't see any option for it in the nVidia CP. Is it automatically enabled? Should I install drivers from the mobo cd?

I installed the most recent drivers downloaded from the evga website.

This is the first time I have ever dealt with an nVidia card (I am an ATI guy). Sorry if this is a dumb question.

Thanks
Edited by karmuhhhh - 11/17/10 at 8:58pm
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post #2 of 15
Quote:
Originally Posted by karmuhhhh View Post
I am building a system for a friend and just installed the video card. It is a GeForce GTS450 and running on an MSI NF750-G55 board. I just installed the drivers and want to know how to enable Hybrid SLI. I don't see any option for it in the nVidia CP. Is it automatically enabled? Should I install drivers from the mobo cd?

This is the first time I have ever dealt with an nVidia card (I am an ATI guy). Sorry if this is a dumb question. Since your friend has a nForce chipset motherboard, the setting to turn it on is in the BIOS.

Thanks
I'm pretty sure that only specific nForce chipsets can support Hybrid SLI. Support for it ended with the GTX 280 I believe.

Dont worry you are not missing anything by not having Hybrid SLI.

It was good in theory, but terrible in execution.
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post #3 of 15
Thread Starter 
Quote:
Originally Posted by youra6 View Post
I'm pretty sure that only specific nForce chipsets can support Hybrid SLI. Support for it ended with the GTX 280 I believe.

Dont worry you are not missing anything by not having Hybrid SLI.

It was good in theory, but terrible in execution.
Well that's a disappointment. Oh well, thank you.
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post #4 of 15
your friend has a nForce chipset board (I overlooked that detail ) you have to go to the BIOS to enable it. Give that a go.
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post #5 of 15
Thread Starter 
Quote:
Originally Posted by youra6 View Post
your friend has a nForce chipset board (I overlooked that detail ) you have to go to the BIOS to enable it. Give that a go.
Oh ok. I'll give that a shot right now, thanks.
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post #6 of 15
Thread Starter 
Well I rebooted into the BIOS and sure enough there was the Hybrid SLI option. I enabled it and when Windows started up it went through the "Installing New Device" deal, and then said the chipset was installed. I checked nVidia CP again and although it showed that the Hybrid SLI chipset was present, it didn't give me an option to enable it or anything like that. I re-ran Heaven 2.1 and got the same exact score as before. I guess like you said it is no longer supported :-/
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post #7 of 15
NVIDIA dropped Hybrid SLI support over a year ago. It only works on older cards.
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post #8 of 15
try using the onboard graphics for Physx lol
post #9 of 15
Quote:
Originally Posted by hodgoes2001 View Post
try using the onboard graphics for Physx lol
Lolwhut?
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post #10 of 15
Quote:
Originally Posted by hodgoes2001 View Post
try using the onboard graphics for Physx lol
phsyx needs 128 cuda cores to work if i remember right
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