Mine

Section "Screen"
    Identifier     "Screen0"
    Device         "Videocard0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "metamodes" "1280x1024_75 +0+0; 1600x1200 +0+0; 1400x1050 +0+0; 1280x1024 +0+0; 1152x864 +0+0; 1024x768 +0+0; 800x600 +0+\
0; 640x480 +0+0; 1400x1050_75 +0+0; 1600x1200_70 +0+0"
    SubSection     "Display"
        Depth       24
        Modes      "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
    EndSubSection
EndSection