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Re: FC5: video resolution problem



starcycle gmail com wrote:
On 10/28/06, Jeff Vian <jvian10 charter net> wrote:
>
The newer xorg uses the values reported by the monitor to select mode
lines.  If yours is not being read correctly it dumbs down to one that
does work.
IIRC, you can put a line similar to this in the monitor section of
xorg.conf to override the automatic config of the monitor
        OPTION  "noddc" "1"
Which tells xorg to ignore the scanned values and to use the specified
ones instead.

You should also file a bug for info with the xorg site so they can get
more info from those monitors that are not currently scanned correctly
and update the X server properly.

it almost worked, but i guess it's just too buggy. the boot process
bar and login screen won't display, but when i finally log into the
gui, the Administration -> display options panel says it's at
1280x1024, whereas it always used to say 800x600 (even though it still
IS displaying at 800x600). so that's different. and for the first
time, i have all the resolution options listed in Preferences ->
screen resolution, whereas before only 800x600 and the one below it
were listed. choosing any of them besides 800x600 still leads to a
blank screen, though.

s-c-display led to a blank screen with my MGA G200 card initially. I found out that either running with no xorg.conf file or generating an xorg.conf file using 'X -configure', testing it as the prompt specified, then copying it over if it is successful during the test. This configuration is needed to be accomplished at runlevel 3 since X cannot be running prior without getting an error. I had to edit the configuration file and limit the vertical range to lower than the 190 maximum that it was specified as.

Attached is my xorg-conf file. It is a bit odd since I am using the matrox card as primary. (It does not work very well as the secondary on two different computers). You might try this for comparison referencing the video parameters and vertical refresh rates.

As you noted, Matrox video cards are out of the ordinary for usage in win32 and for Linux. Linux seems better with dealing with the cards than early win32 versions were.


so i guess it's just buggy, or else i have to play around with a
couple of other options. but i think i'll just switch to my old radeon
card and see if that works. this matrox has been a nightmare in just
about every distribution. the ati can be difficult, but at least the
drivers and everything work once you do get it set up. i'd never
recommend a matrox again to anyone using linux. :o

Radeon cards and OSS drivers worked better for me with 3D applications. I only tried this on a laptop with integrated graphics though.

Attached is my xorg.conf. This should have most of your needed settings for video card 1.

Jim


thanks,
s.c.



--
He was so narrow-minded he could see through a keyhole with both eyes.
Section "ServerLayout"
	Identifier     "X.org Configured"
	Screen      0  "Screen0" 0 0
	Screen      1  "Screen1" RightOf "Screen0"
	InputDevice    "Mouse0" "CorePointer"
	InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
	RgbPath      "/usr/share/X11/rgb"
	ModulePath   "/usr/lib/xorg/modules"
	FontPath     "unix/:7100"
	FontPath     "built-ins"
EndSection

Section "Module"
	Load  "dbe"
	Load  "extmod"
	Load  "fbdevhw"
	Load  "record"
	Load  "freetype"
	Load  "type1"
	Load  "glx"
	Load  "dri"
EndSection

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

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

Section "Monitor"

	#DisplaySize	  320   240	# mm
 ### Comment all HorizSync and VertSync values to use DDC:
 ### Comment all HorizSync and VertSync values to use DDC:
 ### Comment all HorizSync and VertSync values to use DDC:
 ### Comment all HorizSync and VertSync values to use DDC:
	Identifier   "Monitor0"
	VendorName   "DEL"
	ModelName    "DELL E772c"
 ### Comment all HorizSync and VertSync values to use DDC:
	HorizSync    30.0 - 70.0
	VertRefresh  50.0 - 160.0
	Option	    "DPMS"
EndSection

Section "Monitor"

	#DisplaySize	  250   180	# mm
	Identifier   "Monitor1"
	VendorName   "SOT"
	ModelName    "190"
	Option	    "DPMS"
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     "SWcursor"           	# [<bool>]
        #Option     "HWcursor"           	# [<bool>]
        #Option     "NoAccel"            	# [<bool>]
        #Option     "ShadowFB"           	# [<bool>]
        #Option     "UseFBDev"           	# [<bool>]
        #Option     "Rotate"             	# [<str>]
        #Option     "VideoKey"           	# <i>
        #Option     "FlatPanel"          	# [<bool>]
        #Option     "FPDither"           	# [<bool>]
        #Option     "CrtcNumber"         	# <i>
        #Option     "FPScale"            	# [<bool>]
        #Option     "FPTweak"            	# <i>
	Identifier  "Card0"
	Driver      "nv"
	VendorName  "nVidia Corporation"
	BoardName   "NV5M64 [RIVA TNT2 Model 64/Model 64 Pro]"
	BusID       "PCI:1:0:0"
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     "SWcursor"           	# [<bool>]
        #Option     "HWcursor"           	# [<bool>]
        #Option     "PciRetry"           	# [<bool>]
        #Option     "SyncOnGreen"        	# [<bool>]
        #Option     "NoAccel"            	# [<bool>]
        #Option     "ShowCache"          	# [<bool>]
        #Option     "Overlay"            	# [<str>]
        #Option     "MGASDRAM"           	# [<bool>]
        #Option     "ShadowFB"           	# [<bool>]
        #Option     "UseFBDev"           	# [<bool>]
        #Option     "ColorKey"           	# <i>
        #Option     "SetMclk"            	# <freq>
        #Option     "OverclockMem"       	# [<bool>]
        #Option     "VideoKey"           	# <i>
        #Option     "Rotate"             	# [<str>]
        #Option     "TexturedVideo"      	# [<bool>]
        #Option     "Crtc2Half"          	# [<bool>]
        #Option     "Crtc2Ram"           	# <i>
        #Option     "Int10"              	# [<bool>]
        #Option     "AGPMode"            	# <i>
        #Option     "AGPSize"            	# <i>
        #Option     "DigitalScreen1"     	# [<bool>]
        #Option     "DigitalScreen2"     	# [<bool>]
        #Option     "TV"                 	# [<bool>]
        #Option     "TVStandard"         	# [<str>]
        #Option     "CableType"          	# [<str>]
        #Option     "NoHal"              	# [<bool>]
        #Option     "SwappedHead"        	# [<bool>]
        #Option     "DRI"                	# [<bool>]
        #Option     "MergedFB"           	# [<bool>]
        #Option     "Monitor2HSync"      	# [<str>]
        #Option     "Monitor2VRefresh"   	# [<str>]
        #Option     "Monitor2Position"   	# [<str>]
        #Option     "MetaModes"          	# [<str>]
        #Option     "OldDmaInit"         	# [<bool>]
        #Option     "ForcePciDma"        	# [<bool>]
	Identifier  "Card1"
	Driver      "mga"
	VendorName  "Matrox Graphics, Inc."
	BoardName   "MGA G200"
	BusID       "PCI:2:0:0"
EndSection

Section "Screen"
	Identifier "Screen0"
	Device     "Card0"
	Monitor    "Monitor0"
	SubSection "Display"
		Viewport   0 0
		Depth     1
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     4
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     8
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     15
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     16
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     24
	EndSubSection
EndSection

Section "Screen"
	Identifier "Screen1"
	Device     "Card1"
	Monitor    "Monitor1"
	SubSection "Display"
		Viewport   0 0
		Depth     1
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     4
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     8
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     15
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     16
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     24
	EndSubSection
EndSection


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