Using 3 monitors. Funny problem.

m4rkw7

m4rkw7

m4rkw7

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Using 3 monitors. Funny problem.

I am running Ubuntu 10.04 and my current setup is;

Motherboard: Asus P5Q Deluxe
Card 1: 8800GTX
Card 2: 8400GS
Monitor(s): 3x 22"

The problem i have is that i can get the two on the 8800GTX to work together but i can only get the one on the 8400GS to work as a "Separate x screen" which is no good because i can't drag windows or anything over to it.

Any ideas?
Thank you.

nvidia-settings-3-monitor.png
 
No idea if this is correct, but I've heard that for 3 screens you need identical graphics cards (GPUs). Might be worth looking into.
 
Last edited:
Nah tntcoder - i think it just has to be the same GPU, i.e. 8000 and an 8000. Back in 08 i had an 8400S and an 8800GT running 3 screens just fine. It might be a problem with the Linux drivers?
 
SMN said:
Nah tntcoder - i think it just has to be the same GPU, i.e. 8000 and an 8000. Back in 08 i had an 8400S and an 8800GT running 3 screens just fine. It might be a problem with the Linux drivers?
Click to expand...

Ah cool, my bad :) I'm out of ideas then, as they are both Nvidia chips and the nvidia module will be loaded, seems strange.

My next guess would be that the configuration GUI you're using doesn't like it, you should try making a custom xorg.conf and monitor the logs for errors when enabling the third screen.
 
I opted for two nvidia cards as i thought it'd help.

In the xorg.conf it's listed as the separate x screen, the two are listed as twin view.
 
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