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Old 11-28-2006, 10:29 PM   #1
Registered: Jan 2006
Posts: 69

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Dual Monitors, Swapping screen 1 for screen 0

Just out of curiosity, I was wondering if this has been done.

I have an nvidia GeForce FX 5500 agp card, standard svga out, dvi out, and tv out.

I am using 2 monitors, on the dvi out I have a 19", on the svga out I have a 17", current os installed is suse 10.1 (remastered).

I have set up my xorg.conf to do dual monitors (seperate x displays), the 17" sits above the 19", linux see's the svga as the primary out (screen 0), and the dvi as the secondary out (screen 1). NO XINERAMA or TWINVIEW, not to my taste.

I would like my dvi out to be the primary (screen 0) and the svga to be secondary (screen 1), and yes I have tried the obvious and reconfig'ed the xorg.conf file, but the dvi somehow keeps coming out as the secondary...

Any suggestions would be greatly appreciated.
Old 11-30-2006, 08:33 AM   #2
Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
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if this is a standard xinerama config, not twinview or anything, it should just be a case of changing the initial screen declaration and the relative "leftof" or "rightof" entries. the first screen declared within the server section should be :0.0 and whatever screen is added as a relative to that screen would be the :0.1.

not done xinerama for a while now but it should just be the difference between
Section "ServerLayout"
  Screen Screen0
  Screen Screen1 leftof Screen0
compared to
Section "ServerLayout"
  Screen Screen1
  Screen Screen0 rightof Screen1
massive syntacical errors aside....
Old 11-30-2006, 01:54 PM   #3
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Registered: Mar 2003
Location: Nova Scotia, Canada
Distribution: Debian AMD64
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Try something like this changing to your settings of course the UseDisplayDevice is the important part.

Section "Device"
 Identifier "NVIDIA0"
 Driver "nvidia"
 Option "UseDisplayDevice" "DFP"
 Screen 0
 BusID "PCI:1:0:0"

Section "Device"
 Identifier "NVIDIA1"
 Driver "nvidia"
 Option "UseDisplayDevice" "CRT"
 Screen 1
 BusID "PCI:1:0:0"


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