Помогите настроить xorg.conf

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Rage Mobility 128 AGP 4X/Mobility M4 (prog-if 00 [VGA controller])
	Subsystem: Dell Device 00a3
	Flags: bus master, VGA palette snoop, stepping, 66MHz, medium devsel, latency 32, IRQ 11
	Memory at e8000000 (32-bit, prefetchable) [size=64M]
	I/O ports at cc00 [size=256]
	Memory at fcffc000 (32-bit, non-prefetchable) [size=16K]
	[virtual] Expansion ROM at fc000000 [disabled] [size=128K]
	Capabilities: [50] AGP version 2.0
	Capabilities: [5c] Power Management version 2

Section "Module"
      Load    "ddc"
      Load    "vbe"
      Load    "GLcore"
      Load    "dbe"
      Load    "dri"
      Load    "extmod"
      Load    "glx"
      Load    "bitmap"
      Load    "speedo"
      Load    "type1"
      Load    "freetype"
      Load    "record"
EndSection

Section "Device"
      Identifier  "Card0"
      Driver      "r128"
      VendorName  "Ati Technology Inc"
      BoardName   "Rage Mobility M4 AGP"
EndSection

Section "Monitor"
      Identifier   "Monitor0"
      HorizSync    28.0 - 96.0
      VertRefresh  50.0 - 75.0
      Modeline "1400x1050" 129 1400 1464 1656 1960 1050 1051 1054 1100 +Hsync +Vsync
EndSection

Section "Screen"
      Identifier      "Screen0"
      Device  "Card0"
      Monitor "Monitor0"
      DefaultColorDepth 24
      SubSection "Display"
              Depth   24
              Modes "1400x1050" "1024x768" "800x600" "640x480"
      EndSubSection
EndSection

Section "DRI"
      Mode 0666
EndSection