Section "Screen"
 Identifier   "Xinerama"
 Device       "ATI-Radeon9800Pro-Xinerama"
 Monitor      "LG-L1919S"  # vga connection/primary
 Monitor      "IBM-E74"    # dvi connection/secondary
 DefaultDepth 24
 SubSection "Display"
  Modes "1280x1024" "1152x864" "1024x768" "800x600" "640x480"
 EndSubSection
EndSection