First, AFAIK, you *MUST* be using XFree86 4.2.0 for dualhead support on the Radeon 7500. Also, if you are not using at least kernel 2.4.18, upgrade to that. Make sure that agpgart is either built into the kernel, or that the module is getting loaded before X starts. (might have to hack /etc/rc.d/init.d/rc.local for this). Make sure that the Radeon DRI module is getting loaded too (or is built into the kernel). I see that you are using Mandrake (or at least XFDrake - this would probably run on Red Hat, too) - what version? In the worst case, you'll have to build X and Linux from source (not too time-consuming on a P4 or AthXP/MP), best case Mandrake already has the right versions. (X -version and uname -r to check). If none of that works, try commenting out the dri loading line - this will leave you with SW-rendered OpenGL, but if you use Xinerama, DRI won't work anyway. (and I've only tried non-xinerama multihead with DRI with two separate cards before, not a single card with two outputs - I'm not sure if this even works). --- Eric Hagemann <ehagemann@comcast.net> wrote: > Just getting linux up and running on my P4 with a > radeon 7500 dual headed > card > > I have got it working except for the "dual headed > part " > > I think I have correctly modified the > /etc/X11/XF86Config-4 file, however > when I try and turn on the secon screen the server > crashes telling me that > "DRI" is not supported ? Any help would be > appreciated. My XF86Config-4 > file is enclosed > > **************************************************************************** > ********************************** > > # File generated by XFdrake. > > # > ********************************************************************** > # Refer to the XF86Config(4/5) man page for details > about the format of > # this file. > # > ********************************************************************** > > Section "Files" > > RgbPath "/usr/X11R6/lib/X11/rgb" > > # Multiple FontPath entries are allowed (they are > concatenated together) > # By default, Mandrake 6.0 and later now use a font > server independent of > # the X server to render fonts. > > FontPath "unix/:-1" > > EndSection > > # > ********************************************************************** > # Server flags section. > # > ********************************************************************** > > Section "ServerFlags" > > # Uncomment this to cause a core dump at the > spot where a signal is > # received. This may leave the console in an > unusable state, but may > # provide a better stack trace in the core dump > to aid in debugging > #NoTrapSignals > > # Uncomment this to disable the <Crtl><Alt><BS> > server abort sequence > # This allows clients to receive this key event. > #DontZap > > # Uncomment this to disable the > <Crtl><Alt><KP_+>/<KP_-> mode switching > # sequences. This allows clients to receive > these key events. > #DontZoom > > # This allows the server to start up even if > the > # mouse device can't be opened/initialised. > AllowMouseOpenFail > > EndSection > > # > ********************************************************************** > # Input devices > # > ********************************************************************** > > # > ********************************************************************** > # Keyboard section > # > ********************************************************************** > > Section "InputDevice" > > Identifier "Keyboard1" > Driver "Keyboard" > Option "AutoRepeat" "250 30" > > Option "XkbRules" "xfree86" > Option "XkbModel" "pc105" > Option "XkbLayout" "us" > > EndSection > > # > ********************************************************************** > # Pointer section > # > ********************************************************************** > > Section "InputDevice" > > Identifier "Mouse1" > Driver "mouse" > Option "Protocol" "IMPS/2" > Option "Device" "/dev/usbmouse" > Option "ZAxisMapping" "4 5" > # Option "Emulate3Buttons" > # Option "Emulate3Timeout" "50" > > # ChordMiddle is an option for some 3-button > Logitech mice > > # Option "ChordMiddle" > > EndSection > > > > Section "Module" > > # This loads the DBE extension module. > Load "dbe" > > # This loads the Video for Linux module. > Load "v4l" > > Load "glx" > Load "dri" > > > # This loads the miscellaneous extensions module, > and disables > # initialisation of the XFree86-DGA extension within > that module. > > SubSection "extmod" > #Option "omit xfree86-dga" > EndSubSection > > # This loads the Type1 and FreeType font modules > > Load "type1" > Load "freetype" > EndSection > > > Section "DRI" > Mode 0666 > EndSection > > > # > ********************************************************************** > # Monitor section > # > ********************************************************************** > > # Any number of monitor sections may be present > > Section "Monitor" > Identifier "MAG" > VendorName "Unknown" > ModelName "Unknown" > > HorizSync 31.5-79.0 > VertRefresh 50-100 > > EndSection > > Section "Monitor" > Identifier "SAMSUNG" > VendorName "Unknown" > ModelName "Unknown" > > HorizSync 31.5-79.0 > VertRefresh 50-100 > EndSection > > > # > ********************************************************************** > # Graphics device section > # > ********************************************************************** > > > Section "Device" > Identifier "ATI Radeon1" > VendorName "Unknown" > BoardName "Unknown" > Driver "radeon" > BusID "PCI:1:0:0" > Option "AGPMode" "1" > Option "DPMS" "on" > screen 0 > EndSection > > Section "Device" > Identifier "ATI Radeon2" > VendorName "Unknown" > BoardName "Unknown" > Driver "radeon" > BusID "PCI:1:0:0" > Option "AGPMode" "1" > Option "DPMS" "on" > screen 1 > EndSection > > > > # > ********************************************************************** > # Screen sections > # > ********************************************************************** > > Section "Screen" > Identifier "screen1" > Device "ATI Radeon1" > Monitor "MAG" > DefaultColorDepth 16 > > Subsection "Display" > Depth 16 > Modes "1280x1024" "1024x768" "800x600" > "640x480" > ViewPort 0 0 > Virtual 1280 1024 > EndSubsection > EndSection > > Section "Screen" > Identifier "screen2" > Device "ATI Radeon2" > Monitor "SAMSUNG" > DefaultColorDepth 16 > > Subsection "Display" > Depth 16 > Modes "1280x1024" "1024x768" "800x600" > "640x480" > ViewPort 0 0 > Virtual 1280 1024 > EndSubsection > EndSection > > Section "ServerLayout" > Identifier "layout1" > Screen "screen1" LeftOf "screen2" > Screen "screen2" > # Option "Xinerama" "on" > InputDevice "Mouse1" "CorePointer" > > InputDevice "Keyboard1" "CoreKeyboard" > EndSection > > > > _______________________________________________ > > Newbie@XFree86.Org > *** To unsubscribe , or change message options, see: > http://XFree86.Org/mailman/listinfo/newbie __________________________________________________ Do You Yahoo!? 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