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Old 02-18-06, 02:00 PM   #1
sdatta
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Join Date: Feb 2006
Posts: 2
Default Dual monitor for Linux

Hi,
I was hoping someone can give me some advice on how to setup dual monitors (Samsung 710N and 740N) for my linux box. I am running Mandrake with kernel 2.6.12. I have installed the linux drivers for my nvidia card and have changed my XF86Config file to use two montior. Both of my monitors are connected to the same video card. But when I start xwindows, the Xorg log shows that one of my screens cannot be displayed. The monitor connected to the digital output displays everything properly but the second monitor shows distorted images. If I change the Driver attribute from "nv" to "nvidia" under "Divices", then the second monitor does not even show anything.

Here is what I have in my XF86Config file:

Section "Monitor"
Identifier "monitor0"
VendorName "Samsung"
ModelName "Samsung SyncMaster 710N/177N/CX711N/CX701N"
HorizSync 30-81
VertRefresh 56-85
ModeLine "1024x480" 65.0 1024 1032 1176 1344 480 488 494 563 -hsync -vsync
ModeLine "1280x800" 147.9 1280 1376 1512 1744 800 801 804 848
ModeLine "1680x1050" 214.5 1680 1800 1984 2288 1050 1051 1054 1103
ModeLine "1920x1200" 230.0 1920 1936 2096 2528 1200 1201 1204 1250 +hsync +vsync
ModeLine "768x576" 50.0 768 832 846 1000 576 590 595 630
ModeLine "768x576" 63.1 768 800 960 1024 576 578 590 616
#Option "DPMS"
EndSection

Section "Monitor"
Identifier "monitor1"
VendorName "Samsung"
ModelName "Samsung SyncMaster 710N/177N/CX711N/CX701N"
HorizSync 30-81
VertRefresh 56-85
ModeLine "1024x480" 65.0 1024 1032 1176 1344 480 488 494 563 -hsync -vsync
ModeLine "1280x800" 147.9 1280 1376 1512 1744 800 801 804 848
ModeLine "1680x1050" 214.5 1680 1800 1984 2288 1050 1051 1054 1103
ModeLine "1920x1200" 230.0 1920 1936 2096 2528 1200 1201 1204 1250 +hsync +vsync
ModeLine "768x576" 50.0 768 832 846 1000 576 590 595 630
ModeLine "768x576" 63.1 768 800 960 1024 576 578 590 616
#Option "DPMS"
EndSection


Section "ServerLayout"
Identifier "layout1"
InputDevice "Keyboard1" "CoreKeyboard"
InputDevice "Mouse1" "CorePointer"
Screen "screen0" RightOf "screen1"
Screen "screen0"
EndSection

Section "Device"
Identifier "device0"
Driver "nv"
VideoRam 65536
VendorName "nVidia"
BoardName "NVIDIA GeForce FX (generic)"
BusID "AGP:01:00:0"
Screen 0
EndSection

Section "Device"
Identifier "device1"
Driver "nv"
VideoRam 65536
VendorName "nVidia"
BoardName "NVIDIA GeForce FX (generic)"
BusID "AGP:01:00:0"
#Screen 1
EndSection

Section "Screen"
Identifier "screen0"
Device "device0"
Monitor "monitor1"
DefaultDepth 24

Subsection "Display"
Depth 24
Virtual 1280 1024
EndSubsection
EndSection

Section "Screen"
Identifier "screen1"
Device "device1"
Monitor "monitor0"
DefaultDepth 24

Subsection "Display"
Depth 24
Virtual 1280 1024
EndSubsection
EndSection

The error message that I get is : (EE) Screen screen1 doesn't exist: deleting placement

I have tried different parameters and have searched the net for answers but did not have any success. So if someone can shed some light it will be appreciated.
Thanks in advance
-Sujan
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Old 02-18-06, 03:39 PM   #2
sdatta
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Join Date: Feb 2006
Posts: 2
Default Re: Dual monitor for Linux

I was able to fix the problem. The following website was helpfull
http://download.nvidia.com/XFree86_4...880/README.txt
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Old 02-18-06, 06:02 PM   #3
pe1chl
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Join Date: Aug 2003
Posts: 1,026
Default Re: Dual monitor for Linux

You will find that file (but for the driver version you actually installed) on your own system!
It is in the directory /usr/share/doc/NVIDIA_GLX-1.0
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