force separate screens for intel with xrandr [SOLVED]

[IL Ka]

I now answering my own question:)

ZaphodHeads is exactly what I was looking for.
I created 2 devices with Screen and ZaphodHeads, and it know works


Section "Monitor"
    Identifier  "External"
  Option "PreferredMode" "1920x1200"
    Option      "RightOf"       "Onboard"
EndSection


Section "Device"
    Identifier  "intelExt"
    Driver      "intel"
    BusID       "PCI:0:2:0"
    Option "ZaphodHeads" "HDMI1"
    Screen 1
EndSection

Section "Device"
    Identifier  "intelOnb"
    Driver      "intel"
    BusID       "PCI:0:2:0"
   Option "ZaphodHeads" "LVDS1"
    Screen 0
EndSection


Section "Screen"
        Identifier "Onboard"
        Monitor "Onboard"
        Device "intelOnb"
        SubSection "Display"
        EndSubsection
EndSection

Section "Screen"
        Identifier "External"
        Monitor "External"
        Device "intelExt"
        SubSection "Display"
                Modes "1920x1200"
        EndSubsection
EndSection

Section "ServerLayout"
        Identifier "DefaultLayout"
        Screen 0 "Onboard"
        Screen 1 "External"
EndSection
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