images/openbsd.gif

I had some issues with setting the right resolution in Xorg on my mac Mini which uses an ATI Radeon. It was resolved by using these specific options for powerpc, in my specific case I used the following:

Option "MacModel?" "mini-internal"

Complete xorg.conf follows:

Section "ServerLayout"
       Identifier     "X.org Configured"
       Screen      0  "Screen0" 0 0
       InputDevice    "Mouse0" "CorePointer"
       InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
       #RgbPath      "/usr/X11R6/share/X11/rgb"
       ModulePath   "/usr/X11R6/lib/modules"
       FontPath     "/usr/X11R6/lib/X11/fonts/misc/"
       FontPath     "/usr/X11R6/lib/X11/fonts/TTF/"
       FontPath     "/usr/X11R6/lib/X11/fonts/OTF"
       FontPath     "/usr/X11R6/lib/X11/fonts/Type1/"
       FontPath     "/usr/X11R6/lib/X11/fonts/100dpi/"
       FontPath     "/usr/X11R6/lib/X11/fonts/75dpi/"
EndSection

Section "Module"
       Load  "GLcore"
       Load  "dbe"
       Load  "extmod"
       Load  "glx"
       Load  "record"
       Load  "xtrap"
       Load  "freetype"
       Load  "type1"
EndSection

Section "InputDevice"
       Identifier  "Keyboard0"
       Driver      "kbd"
EndSection

Section "InputDevice"
       Identifier  "Mouse0"
       Driver      "mouse"
       Option      "Protocol" "wsmouse"
       Option      "Device" "/dev/wsmouse"
       Option      "ZAxisMapping" "4 5 6 7"
EndSection

Section "Monitor"
       Identifier   "Monitor0"
       VendorName   "LG"
       ModelName    "Flatron L194WS"
       HorizSync    28.0 - 83.0
       VertRefresh  56.0 - 75.0
       # 1440x900 @ 60.00 Hz (GTF) hsync: 55.92 kHz; pclk: 106.47 MHz
       #Modeline "1440x900_60.00"  106.47  1440 1520 1672 1904  900 901 904 932  -HSync +Vsync

EndSection

Section "Device"
       ### Available Driver options are:-
       ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
       ### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
       ### [arg]: arg optional
       #Option     "NoAccel"                   # [<bool>]
       #Option     "SWcursor"                  # [<bool>]
       #Option     "Dac6Bit"                   # [<bool>]
       #Option     "Dac8Bit"                   # [<bool>]
       #Option     "DDCMode"                   # [<bool>]
       #Option     "IgnoreEDID"                # [<bool>]
       #Option     "DisplayPriority"           # [<str>]
       #Option     "PanelSize"                 # [<str>]
       #Option     "ForceMinDotClock"          # <freq>
       #Option     "ColorTiling"               # [<bool>]
       #Option     "VideoKey"                  # <i>
       #Option     "RageTheatreCrystal"        # <i>
       #Option     "RageTheatreTunerPort"      # <i>
       #Option     "RageTheatreCompositePort"  # <i>
       #Option     "RageTheatreSVideoPort"     # <i>
       #Option     "TunerType"                 # <i>
       #Option     "RageTheatreMicrocPath"     # <str>
       #Option     "RageTheatreMicrocType"     # <str>
       #Option     "ScalerWidth"               # <i>
       #Option     "RenderAccel"               # [<bool>]
       #Option     "SubPixelOrder"             # [<str>]
       #Option     "ShowCache"                 # [<bool>]
       #Option     "DynamicClocks"             # [<bool>]
       #Option     "VGAAccess"                 # [<bool>]
       #Option     "ReverseDDC"                # [<bool>]
       #Option     "LVDSProbePLL"              # [<bool>]
       #Option     "AccelMethod"               # <str>
       #Option     "DRI"                       # [<bool>]
       #Option     "ConnectorTable"            # <str>
       #Option     "DefaultConnectorTable"     # [<bool>]
       #Option     "DefaultTMDSPLL"            # [<bool>]
       Option     "MacModel"                   "mini-internal"
       #Option     "TVDACLoadDetect"           # [<bool>]
       #Option     "ForceTVOut"                # [<bool>]
       #Option     "TVStandard"                # <str>
       #Option     "IgnoreLidStatus"           # [<bool>]
       #Option     "DefaultTVDACAdj"           # [<bool>]
       #Option     "Int10"                     # [<bool>]
       Option      "iBookHacks" "on"
       Identifier  "Card0"
       Driver      "radeon"
       VendorName  "ATI Technologies Inc"
       BoardName   "RV280 [Radeon 9200]"
       BusID       "PCI:0:16:0"
EndSection

Section "Screen"
       Identifier "Screen0"
       Device     "Card0"
       Monitor    "Monitor0"

       DefaultDepth 24
       SubSection "Display"
               Depth     8
               Modes   "1440x900"
       EndSubSection
       SubSection "Display"
               Depth     16
               Modes   "1440x900"
       EndSubSection
       SubSection "Display"
               Depth     24
               Modes   "1440x900@75"
       EndSubSection
       SubSection "Display"
               Depth    32
               Modes   "1440x900"
       EndSubSection
EndSection