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Old 05-08-06, 02:07 AM   #1
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Join Date: May 2006
Posts: 1
Arrow nVidia + triple output

Hi all,

does anybody know if it is possible to have such a xorg.conf file, that would allow me to use at most two displays at the same time, but without the need to restart X and/or hack xorg.conf?

Monitor 1 + Monitor 2 + NULL
Monitor 1 + NULL + TV
NULL + Monitor 2 + TV

I have gone through the documentation and as far as I see it is possible to specify virtual desktop configuration in such way that one monitor is turned off.

Can a such setup be made that includes three output displays and has only two turned on at the same time?

To put it in another way:
I have two LCD monitor and I would like to watch some movies on TV from time to time. While watching movies I don't mind having one LCD monitor blank (nVIDIA specifies that it is not possible to have more than two outputs at the same time) or cloning the TV image, but I find it quite annoying that server restart is required to setup this configuration.

System information:
Graphics processor: GeForce 7800 GT
Bus type: PCI Express 16x
VBIOS Version:
Video memory: 256MB
IRQ: 18
Operating system: Linux 2.6.16-gentoo-r2 #2 PREEMPT Fri Apr 14 22:51:13 CEST 2006 x86_64 AMD Athlon(tm) 64 Processor 3500+ GNU/Linux
boky is offline   Reply With Quote
Old 05-08-06, 06:50 AM   #2
Join Date: Jul 2002
Location: Netherlands, Europe
Posts: 2,105
Default Re: nVidia + triple output

The only way to create something like this is to create for instance a second x config file (or add an additional serverlayout, screen .. to your current file) in which you set up monitor 1 + tv. Then start the other X server (startx -- :1 -config /etc/X11/xorg2.conf) and switch between the current X and the other using ctrl-alt-f7 / ctrl-alt-f8. That's the only way.
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