A working xorg.conf for the Radeon HD 4850.

xorg.conf.example-ati (text/plain), 3.98 KB, created by Navid Zamani on 2009-02-02 20:46:37 UTC

Section "ServerLayout"
	Identifier "Accelerated 3D graphics"
	Screen     0 "Screen0" 0 0
EndSection

Section "Files"
	FontPath "/usr/share/fonts/misc/"
	FontPath "/usr/share/fonts/TTF/"
	FontPath "/usr/share/fonts/OTF"
	FontPath "/usr/share/fonts/Type1/"
	FontPath "/usr/share/fonts/100dpi/"
	FontPath "/usr/share/fonts/75dpi/"
EndSection

Section "Module"
	Load "wfb"      # nicht default
	Load "xtrap"    # nicht default
EndSection

Section "ServerFlags"
	Option "Xinerama"        "0"
	Option "AIGLX"           "on"   # Modern 3D acceleration. Only to disable, when using Xgl to get Compiz running.
	Option "AllowEmptyInput" "true" # Nowadays, we use HAL (/etc/hal/fdi/policy/10-x11-input.fdi) for this.
EndSection

Section "Monitor"
	Identifier  "Monitor0"
	VendorName  "DispComp"
	ModelName   "DispModel"
#	HorizSync   30.0 - 130.0        # Please set this. (Look it up in the manual)
#	VertRefresh 50.0 - 160.0        # And this too.
#	DisplaySize 404 300             # The physical size of your display (in millimeters). Measure it. A nice way, to let displayed documents have their physical size at 100% zoom.
#	Gamma       1.136               # Very important, to get the colors looking right. See http://www.normankoren.com/makingfineprints1A.html for how to get the value right.
	Option	    "DPMS"       "true" # To save money on electricity. :)
EndSection

Section "Device"
	Identifier "Device0"
	Driver     "fglrx"
	BusID      "PCI:2:0:0"                          # Most important setting of this config. See "lspci -vvnn", and find your graphics card.
	VendorName "ATi"
#	BoardName  "Radeon HD 4850"                     # You should give your card a name.
	Option     "PreferredVRefresh"     "85"         # As high as possible with your monitor, but not so high to cause font blurring.
	Option     "DesktopSetup"          "single"     # Manipulate this on a per-user-basis trough ATi's graphical tool.
	Option     "Capabilities"          "0x00000000" # Vsync off. For faster game framerates. Switch it on if you are annoyed by tearing errors in videos.
	Option     "VideoOverlay"          "off"        # Either Video or OpenGL. Leave this disabled, as it causes problems
	Option     "OpenGLOverlay"         "on"         # Either Video or OpenGL. This one is better.
	Option     "TexturedVideo"         "on"         # Not sure. Probably to render video as an OpenGL texture. Recommended.
#	# Tweaks and bug fixes
#	Option     "AccelMethod"           "EXA"    # New 2D acceleration. The option gets ignored by the driver tough.
#	Option     "UseFastTLS"            "0"      # If you experience unexplained segmentation faults and kernel crashes with multi-threaded applications such as wine, set this to either 0 or 1, but not 2.
#	Option     "XaaNoOffscreenPixmaps" "true"   # If you experience screen corruption with this driver, try enabling this.
#	Option     "MigrationHeuristic"    "greedy" # ???
#	Option     "EnablePageFlip"        "on"     # ???
#	Option     "ColorTiling"           "on"     # ???
EndSection

Section "Screen"
	Identifier   "Screen0"
	Device       "Device0"
	Monitor      "Monitor0"
	DefaultDepth 24         # 16.7M colors. The driver does not accept anything else anyway.
	SubSection   "Display"
		Depth    24
		Viewport 0 0
#		Modes    "1600x1200" "1440x1080" "1280x960" "1024x768" # Some 4:3   resolutions to prefer. If you have a big monitor: "1920x1440"                         "2048x1536"
#		Modes    "1600x900"  "1440x810"  "1280x720" "1024x576" # Some 16:9  resolutions to prefer. If you have a big monitor: "1920x1080" (full HD)               "2048x1152"
#		Modes    "1600x1000" "1440x900"  "1280x800" "1024x640" # Some 16:10 resolutions to prefer. If you have a big monitor: "1920x1200" (full HD plus controls) "2048x1280"
	EndSubSection
EndSection

#Section "Extensions"
#	Option "Composite" "enable" # Leave this commented out! With AIXGL and the 9.1 driver, this causes hard crashes!
#EndSection

Section "DRI"
	Group "video" # Which users can use DRI acceleration.
	Mode 0066     # The rights the users have.
EndSection