Section "ServerLayout" 
   Identifier   "Layout0" 
   Screen   0   "Screen0" 0 0 
   Screen   1   "Screen1" LeftOf "Screen0" 
EndSection 
 

Section "Monitor" 
   Identifier   "Monitor0" 
EndSection 

Section "Device" 
   Identifier   "Radeon" 
   Driver      "radeon" 
   VendorName   "Advanced Micro Devices, Inc. [AMD/ATI]" 
   BusId      "PCI:1:0:0" 
   Option      "DRI"    "3"
   Screen      1 
EndSection 

Section "Device" 
   Identifier   "Intel" 
   Driver      "modesetting" 
   BusId      "PCI:0:2:0"
   Option      "DRI"    "3" 
   Screen      0 
EndSection 

Section "Screen" 
   Identifier   "Screen0" 
   Device      "Intel" 
   Monitor      "Monitor0" 
   DefaultDepth   24 
EndSection 

Section "Screen" 
   Identifier   "Screen1" 
   Device      "Radeon" 
   Monitor      "Monitor0" 
   DefaultDepth   24 
EndSection