Originally Posted by Gozar
Option "MetaModes" "1024x768@800x600; 800x600@800x600; 640x480@800x600"
hmm...maybe you have to try something more along this:
"1024x768@800x600,800x600; 800x600,800x600; 640x480,640x480"
I think that that syntax means 1024x768 with an 800x600 viewport. I don't think you can have a smaller viewport than the desktop tho, so 640x480@800x600 probably wouldn't work.