So lets review why I stated what I stated.
I run two GT 8800 Nvidia video cards in my current PC. I bought these almost three years ago when they first came out. I've ran them on SLI for eons with other games and with it when Everquest 2. I noticed when I did use SLI for Eq2, the performance went down. I got less frames per second than I did with running one single card. SLI was never made for EQ2. You can force it to use it and other GPU options with this game, but if it isn't in the games options, don't bother using it.
Now, lets look at the GTX 295.
It has two cores. So its going to run SLI right off the bat when you install the drivers.
I installed the latest Nvidia drivers and was playing around with SLI, probably about a month ago after a fresh install of EQ2. I noticed my UI was spazzing out. So I turned off SLI. This fixed it.
SLI Application Profiles: How to Guide NVIDIA SLI application Profiles using Coolbits*:
NVIDIA has created an extensive set of optimized application profiles which enable games to run automatically and optimally in SLI mode. There are currently over 260 of these
NVIDIA pre-defined profiles. These games run in SLI mode out-of-the-box with no action required from end-users.
For games without a pre-defined profile, NVIDIA allows customers to create their own SLI application profiles:
Step 1. Open the NVIDIA Control Panel by right-clicking on the desktop and selecting 'NVIDIA Control Panel'
Step 2. Select '3D Settings'
Step 3. Select 'Manage 3D Settings'
Step 4. Click 'Add'
Step 5. Locate the executable file on your computer for the application you wish to create the profile for. The profile will be added to the list. In the example “NewGame.exe”
Step 6. Select your preferred SLI performance mode or SLI antialiasing mode. Besides 'Single-GPU', there are three performance modes to choose from:
Split frame rendering
Alternate frame rendering 1
Alternate frame rendering 2*
*Alternate frame rendering 2 is an alternate version of AFR that may provide better performance than AFR 1 on some applications
You also have the option to choose an SLI antialiasing mode instead of an SLI performance mode. If you do so, the SLI performance mode will be disabled. The SLI antialiasing modes can be found under 'Antialiasing settings'
Step 7. Click "Apply" and your new SLI Application Profile is ready for use!
_____________________________
Running two of this cards is how you achieve running QUAD SLI.