I recently bought another 6800 Ultra so I can use SLI with my existing one. Yes they are the exact same video cards; the only difference is the fan model. I have an Asus P5ND2-SLI board and I got the manual, followed all of the directions to the letter up until the point where it tells me to right click the nVidia icon in my taskbar and click on nView Properties. In the picture in the manual there are three options going from the "Desktop Management" tab and they are as follows from top to bottom:
nView Desktop Manager
nView Desktop Manager wizard
I am supposed to click on Display Properties but my nView Desktop Manager doesn't have that button. So I just bypassed that and right clicked my desktop and clicked on properties then proceeded to follow the directions in my motherboard manual. I clicked on the settings tab and then clicked on Advanced. After that I clicked on the GeForce 6800 Ultra tab and in the manual it shows a picture of that very window with the option to enable SLI. All I see is this:
Looking for the NVIDIA Display Control Panel?
All of the NVIDIA control panels have been consolidated into a single application, the NVIDIA Control Panel. It can be launched from the Windows Control Panel or by right-clicking on the Windows desktop.
So, I have looked in the NVIDIA Control Panel and find nothing having to do with SLI. My NVIDIA Control Panel looks like this:
Please help as I would like the play COD 4 at some decent frame rates soon :P