05/06/07: Dual Screens of Different Size

I finally got dual screen working on my Inspiron 8100. It took me about two hours: I had a working configuration but I needed a hard reboot! I have used Xorg 7.2 on Ubuntu 7.04. Here is the relevant snippet of my xorg.conf:

Section "Device"
        Identifier      "Radeon"
        Driver          "radeon"
        Option          "MergedFB"              "true"
        Option          "CRT2Hsync"             "30-81"
        Option          "CRT2VRefresh"          "56-75"
        Option          "MonitorLayout"         "LVDS, CRT"
        Option          "CRT2Position"          "LeftOf"
        Option          "MergedNonRectangular"  "true"
        Option          "MetaModes"             "1600x1200-1280x1024"
EndSection

Section "Screen"
        Identifier      "Main Screen"
        Device          "Radeon"
        Monitor         "Generic Monitor"
        DefaultDepth    24
        SubSection "Display"
                Depth           24
                Modes           "1600x1200" "1280x1024"
                Virtual         2880 1200
        EndSubSection
EndSection

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