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9800 GT + 8800 GT SLi Problems

post #1 of 40
Thread Starter 
EDIT - SOLVED AS OF RIGHT NOW!!!!!

EVERYONE WHO IS TELLING ME TO FLASH THE GPU BIOS, TO RUN A 9800GT AND A 8800GT IN SLi FREAKEN WRONG! SUSH! YOU DO NOT NEED TO FLASH THE GPU BIOS!

AS OF RIGHT NOW IT IS WORKING IN SLi WITHOUT FLASHING THE BIOS!

THIS IS CALLED "MIXED SLi" MODE. THIS IS NOT "HYBRID SLi", THAT IS SOMETHING DIFFERENT!

THE PROBLEM WAS A IRQ CONFLICT, CAUSED BY MY MOTHERBOARD. THE PROBLEM WAS FIXED WHEN I UPDATED MY MOTHERBOARD BIOS!

Thank you Windfire, Core2uu, SayTR for helping show me it was a IRQ problem. I'll be posting proof soon.

(see original post below) sorry for raging, just i got like 4 pages of people saying the same thing over and over and not reading about my IRQ problem.
__________________________________________________ ___________________________

I am trying to run a 9800 GT in SLi with a 8800 GT. I heard you can use something called "mixed" SLi mode to do this.

How do i turn on SLi? I believe it should be in the Nvidia control panel, but it only sees 1 GPU there. The option to select a second GPU is grayed out.

Even if it is throwing a fit about putting them in SLi mode, i should still be able just make one dedicated Phys-X. ??

It seems my control panel is missing options....



When i go into the device manager, it tells me there is not enough free system resources to use this video card.



My motherboard is a ASUS M2N-E. It has x2 16x PCI slots. I have the SLi bridge in place.


Edited by crimsontears809739 - 4/9/11 at 1:40pm
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post #2 of 40
They need to be the same general series.

So you need 2 9xxx cards or 2 8xxxx cards.
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post #3 of 40
Thread Starter 
Not true. You can make a 9800GT and a 8800GT in SLi mode. Others have done it.
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post #4 of 40
mixed sli is for an onboard chipset gpu to sli with something like an 8400gs.

in your case, you can't mix different nvidia cards. however, you could flash that 8800 gt to a 9800 gt or vice versa since theyre the same card underneath. and then sli should work.
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post #5 of 40
Drivers????
 
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post #6 of 40
Yes its possible, you need to crossflash either cards to match and you're good to go.
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post #7 of 40
You will need to flash the 8800 so it looks like a 9800 and NVCP will let you enable SLI.
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post #8 of 40
Thread Starter 
Quote:
Originally Posted by MRHANDS View Post
mixed sli is for an onboard chipset gpu to sli with something like an 8400gs.
Your thinking of hybrid SLi, which is different.

Also, my Nvidia control panel is missing a bunch of options. Ideas?
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post #9 of 40
You'd have to flash one of the cards to make it work.
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post #10 of 40
As long as the cards have the same shader count your fine.
 
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