Hanne's blog

Now I have the projector working with Linux the way I want to.

Section "ServerLayout"
  Identifier   "Default Layout"
  Screen     "Screen1"
  InputDevice   "Mouse0"   "CorePointer"
  InputDevice   "Keyboard0"   "CoreKeyboard"
EndSection

Section "Files"
  FontPath   "unix/:7100"
EndSection

Section "Module"
  Load "dbe"
  Load "extmod"
  Load "fbdevhw"
  Load "glx"
  Load "record"
  Load "freetype"
  Load "type1"
  Load "dri"
EndSection

Section "ServerFlags"
  Option   "AllowMouseOpenFail" "yes"
EndSection
Section "InputDevice"
  Identifier   "Keyboard0"
  Driver   "kbd"
  Option   "XkbModel" "pc105"
  Option   "XkbLayout" "dk"
EndSection

Section "InputDevice"
  Identifier   "Mouse0"
  Driver   "mouse"
  Option   "Protocol" "IMPS/2"
  Option   "Device" "/dev/input/mice"
  Option   "ZAxisMapping" "4 5"
  Option   "Emulate3Buttons" "no"
EndSection

Section "Monitor"
  Identifier   "ThinkPad LCD"
  Option   "DPMS"
  HorizSync   31.5 - 67.0
  VertRefresh   50.0 - 75.0
EndSection

Section "Monitor"
  Identifier   "Beamer"
  Option   "DPMS"
  HorizSync   31.5 - 100
  VertRefresh   56 - 80
  DisplaySize   340 272 # width x height in mm
EndSection

Section "Device"
  Identifier   "Intel 945GM/GMS/940GML"
  Driver   "i810"
  BusID   "PCI:0:2:0"
  Screen   0
  Option   "MonitorLayout" "CRT,LFP"
EndSection

Section "Device"
  Identifier   "Intel 945GM/GMS/940GML Beamer"
  Driver   "i810"
  BusID   "PCI:0:2:0"
  Option   "MonitorLayout" "CRT,LFP"
  Option   "Clone" "On"
  Screen   0
EndSection


Section "Screen"
  Identifier "Screen0"
  Device   "Intel 945GM/GMS/940GML"
  Monitor   "ThinkPad LCD"
  DefaultDepth   24
  SubSection "Display"
  Viewport   0 0
  Depth   24
  Modes   "1024x768" "1280x1024" "800x600" "640x480"
  EndSubSection
EndSection
Section "Screen"
  Identifier "Screen1"
  Device   "Intel 945GM/GMS/940GML Beamer"
  Monitor   "Beamer"
  DefaultDepth   24
  SubSection "Display"
  Viewport   0 0
  Depth   24
  Modes   "1024x768@59" "1024x768@75" "1024x768" "1280x1024"
  EndSubSection
EndSection

Section "DRI"
  Group   0
  Mode   0666
EndSection

I don't push a hotkey like Fn + F7 to direct the image to the projector, it is shown both on the built-in LCD display and the projector all the time. (Only in X off course).