Section "Monitor"
    Identifier  "VGA-0"
    Option      "Primary" "true"
    Option      "UseEDID" "false"
    ModeLine    "1366x768" 85.50 1366 1440 1576 1784 768 771 781 798 -hsync +vsync
    Option      "PreferredMode" "1366x768"
EndSection

Section "Monitor"
    Identifier  "DVI-0"
    Option      "RightOf" "VGA-0"
    Option      "PreferredMode" "1280x1024"
EndSection