Section "Device"
    Identifier "DummyHeadless"
    Driver "dummy"
    Option "ConstantDPI" "true"
    VideoRam 256000
EndSection

Section "Monitor"
    Identifier "DummyMonitor"
    HorizSync 28-80
    VertRefresh 48-75
EndSection

Section "Screen"
    Identifier "DummyScreen"
    Device "DummyHeadless"
    Monitor "DummyMonitor"
    DefaultDepth 24
    SubSection "Display"
        Depth 24
        Modes "1920x1080" "1280x720"
    EndSubSection
EndSection