Configurando X no Asus EeePC900

O Asus EeePC 900 possui uma série de peculiaridades na sua configuração de vídeo, para utilizar a resolução de 1024x600, coloque o seguinte conteúdo no arquivo /etc/X11/xorg.conf:

# generic XFree86 4.x configuration file

Section "Files"
  FontPath              "/usr/share/fonts/truetype/"
  FontPath              "/usr/share/fonts/uni/"
  FontPath              "/usr/share/fonts/misc/"
  InputDevices  "/dev/input/mice"
EndSection

Section "ServerFlags"
  Option        "AllowMouseOpenFail"
  Option        "BlankTime"     "0"
EndSection

Section "Module"
  Load  "dbe"
  Load  "glx"
  Load  "dri"
  Load  "extmod"
  Load  "synaptics"
EndSection

Section "InputDevice"
  Driver                "kbd"
  Identifier    "Keyboard[0]"
  Option                "Protocol"              "Standard"
  Option                "XkbRules"              "xfree86"
  Option                "XkbKeycodes"   "xfree86"
  Option                "XkbModel"              "pc104"
  Option                "XkbLayout"             "us"
EndSection

Section "InputDevice"
  Driver     "mouse"
  Identifier "Mouse[1]"
  Option     "Protocol" "explorerps/2"
  Option     "Device"   "/dev/input/mice"
EndSection

Section "Monitor"
  Identifier    "Monitor[0]"
  VendorName    "ASUS"
ModelName     "Eee PC P900"
Modeline "1024x600" 48.96  1024 1064 1168 1312 600 \
601 604 622 -HSync +Vsync
EndSection

Section "Device"
  Driver                "intel"
VendorName            "Intel Corporation"
BoardName "Mobile 915GM/GMS/910GML Express Graphics \
Controller"
  BusID                 "PCI:0:2:0"
  Identifier    "Device[0]"
EndSection

# Screen Section for module X support
# -------------------------------------
Section "Screen"
  DefaultDepth 16
  SubSection "Display"
    Depth               16
    Modes               "1024x600" "800x600"
  EndSubSection
  SubSection "Display"
    Depth               24
    Modes               "1024x600" "800x600"
  EndSubSection
  SubSection "Display"
    Depth               32
    Modes               "1024x600" "800x600"
  EndSubSection
  SubSection "Display"
    Depth               8
    Modes               "1024x600" "800x600"
  EndSubSection
  Device                "Device[0]"
  Identifier    "Screen[0]"
  Monitor               "Monitor[0]"
EndSection
Section "DRI"
   Mode  0666
EndSection



Section "ServerLayout"
  Identifier    "Layout[all]"
  InputDevice   "Keyboard[0]"   "CoreKeyboard"
  InputDevice  "Mouse[1]" "CorePointer"
  Option                "Xinerama"              "off"
  Screen   "Screen[0]"
EndSection

As linhas que contem um \ devem ser juntadas para dar certo. Coloquei o \ porque essa porcaria de blog nao quebra linha. :-)