[QUOTE="Blackfallen"]
okay first of all you oc with ati tools buddy and secondly i have enabled sli in the nvidia control panel i will list my specs to you. Another thing though i tried riva tuner with 185 and 186 same thing.
Specs
AMD Phenom x3 at 3.7 ghz
OCZ 4gb Platinum 800 mhz
Asus M4n82 980a tri sli board
OCZ ModXstream 600watts with 50 amps
Creative X-fi Fatality Edition
NZXT Tempest
Thermaltake V1 cpu cooler 160 gb and 640 gb harddrive
Cards are XFX 8800gs and Asus 8800gs
I just ran crysis warhead with single card on gamer/enthusiast at 37 fps but when i put in sli i get 24-25 even goes to 19. I also checked it doesnt recognize drivers when either card is by itself in the system no matter what card configuration
neatfeatguy
This sounds kind of obvious, but did you consult your MB manual to make sure you're setting up SLI correctly? I've got an ASRock K10N780SLIX3-WiFi motherboard and I have to set the jumper on the board between the main PCI-E x16 slot and the second one to run both cards at a true x16/x16. Otherwise if I don't change the jumper, the PCI-E x16 slots run at a x16/x8/x8. You don't have a jumper you need to set or anything like that, do you?
If that's not the case, then we'll start from the beginning.
Is this computer a completely new build? Or were you running with one of these 8800GS cards for a while and you just recently picked up a second on for SLI?
Have you updated the BIOS on your motherboard? Sometimes there are boards out there that are designed for SLI/Crossfire, but upon shipping the BIOS has issues recognizing the SLI/Crossfire setups so they patch the BIOS and set out updates for people to use, so you could look into that.
When I first got my ASRock motherboard, the northbridge on it wasn't working correctly - I couldn't get any video driver to install or if it did install, my computer would lock up about 10 seconds after booting into Windows OR the video cards were not being recognized correctly. I had to get a new board and now everything works perfect.
Just ideas here....what else....
Nvidia driver 182.50 worked the best for my SLI setup, you might want to try that one. Drivers 185.xx and 186.xx caused me problems. So far the newest 190.xx driver is working good. Not all video drivers will run things correctly for all computer configurations - you might have to try a few more older ones and see if solves your problem.
alright so what happend is i had a previous sli build and for my birthday i bought a new cpu, motherboard, and case so i transerfered everything over. my old cpu was bottlenecking the card so i got performance boost. so once i put everything in my comp would shut off so i replaced the coolermaster 550 extreme that had 32 amps for the OCZ ModXstream with 50 amps well it became really stable but i still had the driver issue. in fact i have been having this prob for months and now its driving me crazy.But the weird thing is with my old comp i had about 8000 3d mark 06 points that was with an amd 6000 and the sli 8800gs's now i get 15.5 k which seems right but i get poor performance on crysis and cant overclock :S and reading the manualthere is no jumper for sli it just says to use the first slot and the thrid slot for sli to give 16x/16x i have used asus updates too and everything is up to date
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