# Libretto 100 XF86Config for 800x480 Wide Screen
# Tatsumi Hosokawa <hosokawa@FreeBSD.org>
#
# Please activate "Stretched" display from BIOS setup (ESC-PowerOn)

Section "Files"
   RgbPath                 "/usr/X11R6/lib/X11/rgb"
   FontPath   "/usr/X11R6/lib/X11/fonts/misc/"
   FontPath   "/usr/X11R6/lib/X11/fonts/75dpi/:unscaled"
   FontPath   "/usr/X11R6/lib/X11/fonts/100dpi/:unscaled"
   FontPath   "/usr/X11R6/lib/X11/fonts/Type1/"
   FontPath   "/usr/X11R6/lib/X11/fonts/Speedo/"
   FontPath   "/usr/X11R6/lib/X11/fonts/75dpi/"
   FontPath   "/usr/X11R6/lib/X11/fonts/100dpi/"
#    ModulePath "/usr/X11R6/lib/modules"
EndSection

Section "ServerFlags"
#    NoTrapSignals
#    DontZap
#    DontZoom
#       DisableVidModeExtension
#       AllowNonLocalXvidtune
#       DisableModInDev
#       AllowNonLocalModInDev
EndSection

Section "Keyboard"
   Protocol                 "Standard"
   AutoRepeat                 500 5
#    ServerNumLock
#    Xleds      1 2 3
   LeftAlt     Meta
   RightAlt    ModeShift
#    RightCtl    Compose
#    ScrollLock  ModeLock
   XkbDisable
EndSection

Section "Pointer"
   Protocol    "MouseSystems"
   Device      "/dev/sysmouse"
   Emulate3Buttons
EndSection


Section "Monitor"
  Identifier                    "Libretto100.LCD"
  VendorName      "Toshiba"
  ModelName       "Libretto100"
  HorizSync       31.5-54.3
  VertRefresh     50-190
  Modeline "800x600" 50  800  856  976 1040   600  637  643  666 +HSync +VSync
  Modeline "800x480" 50  800  864  928 1088   480  481  484  509 +HSync +VSync
  Modeline "640x480" 36  640  696  752  832   480  481  484  509 -HSync -VSync
EndSection


Section "Device"
  Identifier      "MagicGraph128ZV+"
  VendorName      "NeoMagic"
  BoardName       "Libretto100"
  Ramdac          "normal"
  Chipset         "generic"
  Clocks          28.32 35.26 50.00 75.72 90.84
EndSection

Section "Screen"
  Driver          "VGA16"
  Device          "MagicGraph128ZV+"
  Monitor         "Libretto100.LCD"
  BlankTime       0
  SuspendTime     0
  OffTime         0
  SubSection "Display"
     Depth        4
     Modes        "800x480" "640x480"
#     Virtual      800 600
     ViewPort     0 0
  EndSubSection
EndSection

Ce point est particulièrement à vérifier :
Section "Device"
   Identifier  "Chips and Technologies CT65550"
   Driver      "chips"
#   VideoRam                 1024
#   Chipset                 "ct65550"
   Option                 "noaccel"