Section "Device"
  Identifier "LeftDevice"
  Driver "radeon"
  BusID  "PCI:2:0:0"
#  Screen 0
#  Option "Monitor-DVI-1" "LeftMonitor"
EndSection

Section "Device"
  Identifier "CenterRightDevice"
  Driver "radeon"
  BusID  "PCI:3:0:0"
#  Screen 1
#  Option "Monitor-DVI-2" "CenterMonitor"
#  Option "Monitor-DVI-3" "RightMonitor"
EndSection

Section "Monitor"
  Identifier "LeftMonitor"
EndSection

Section "Monitor"
  Identifier "CenterMonitor"
#  Option "Primary" "true"
EndSection

Section "Monitor"
  Identifier "RightMonitor"
#  Option "RightOf" "DVI-3"
EndSection

Section "Screen"
  Identifier "LeftScreen"
  Device     "LeftDevice"
EndSection

Section "Screen"
  Identifier "CenterRightScreen"
  Device     "CenterRightDevice"
EndSection

Section "ServerLayout"
  Identifier     "X.org Configured"
  Screen      0  "LeftScreen" 0 0
  Screen      1  "CenterRightScreen" RightOf "LeftScreen"
EndSection