2 video cards at one time not SLI

Lord Banshee

Golden Member
Sep 8, 2004
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ok well i got my 7800GT in the other day.

well now i want to have my 6800NU and my 7800GT in the same system fro multi-monitor support.

This isn't working so well.

I have my 6800 as my primary as just to show the point.

at default setting (Multi-View Proformance mode) it seems both monitors are working off of the primary card instead of the card they are hooked into.

For example, running ATITool 3dview on the 6800 side i get these aroun 260FPS
Now running it on the 7800 side i get 120 fps.. ok now you see the 7800 should be twice as fast but it isn't :(

Ok now set the 7800GT as the primary device... Run 3dview on 7800 Side i get about 450fps, on the 6800 side i get around 150.

any one have a two video card setup that works correctly and they tested it?
 

aatf510

Golden Member
Nov 13, 2004
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I know that ATITool hogs loads of CPU power.
and I know that 3D Acceleration on more than one screen has never been done right in Windows XP, and therefore they are hoping that it will get fixed in Vista.