Originally Posted by radekhulan
Ok, I got somwhere. Deleting whole Windows installation again, installing Doom 3 from scratch, patch 1.3 *AND* 77.30 drivers made SLI in Doom 3 working. Now I am getting about 100 FPS in "timedemo demo1 1" at 12801024 / Ultra / 8xAF / 4xAA, which should be about ok :-)
I have found the Doom3 profiles to be a bit touchy. I had an issue where SLI was disabling under the 71.89s if I just ran nHancer. I had to reinstall the drivers after using Driver Cleaner to fix the issue.