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Re: Dual-head Matrox, monitors at different resolutions?



Hi!

The attached XF86Config-4 configures the dualhead mode on a Matrox G550
under Debian with the same resolution but different refresh frequencies
for a Sun GDM Monitor and a ADI TFT display.

We'd problems running the display at the digital port of the G550, so we
attached the Sun monitor to the digital port (via adapter) and the ADI
display to the analog port.

Willi
-- 
RWTH Aachen                  mailto:geffers@informatik.rwth-aachen.de
Rechnerbetrieb Informatik    http://www-users.informatik.rwth-aachen.de/~wge
Ahornstrasse 55              Tel.: 0241/80-21031
52074 Aachen                 FAX: 0241/80-22700
Section "Device"
	Identifier	"G550_1"
	Driver		"mga"
	BusID		"PCI:1:0:0"
	Screen		0
EndSection

Section "Device"
        Identifier      "G550_2"
	Driver          "mga"
	BusID		"PCI:1:0:0"
	Screen		1
EndSection

Section "Monitor"
	Identifier	"ADI"
	HorizSync	63.9
	VertRefresh	60
	Option		"DPMS"
EndSection

Section "Monitor"
	Identifier	"Sun"
	HorizSync	30-140
	VertRefresh	50-180
	Option		"DPMS"
EndSection

Section "Screen"
	Identifier	"Screen 0"
	Device		"G550_1"
	Monitor		"Sun"
	DefaultDepth	24
	SubSection "Display"
		Depth		1
		Modes		"1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		4
		Modes		"1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		8
		Modes		"1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		15
		Modes		"1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		16
		Modes		"1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		24
		Modes		"1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
	EndSubSection
EndSection

Section "Screen"
	Identifier	"Screen 1"
	Device		"G550_2"
	Monitor		"ADI"
	DefaultDepth	24
	SubSection "Display"
		Depth		1
		Modes		"1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		4
		Modes		"1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		8
		Modes		"1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		15
		Modes		"1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		16
		Modes		"1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		24
		Modes		"1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
	EndSubSection
EndSection

Section "ServerLayout"
	Identifier	"Default Layout"
	InputDevice	"Generic Keyboard"
	InputDevice	"Configured Mouse"
	Screen		"Screen 1" Leftof "Screen 0"
	Screen		"Screen 0"
	Option		"Xinerama" "on"
EndSection

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