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-   -   9800GX2 twinview impossible (http://www.nvnews.net/vbulletin/showthread.php?t=131762)

ubuntu-addict 04-19-09 08:56 PM

9800GX2 twinview impossible
 
Hi all!

First, excuse my poor English, I'm french, trying to learn English but it's really not easy :)

I have a 9800GX2, and in nvidia-settings (driver 180.44), I can't use "twinview", I only can have "separate X screen". Here is a screenshot :

http://nsa06.casimages.com/img/2009/...5310977284.png

When I had a 8600GT, I did use Twinview and compiz with no problem, but now, I can't use twinview and of course, I can't use compiz with xinerama.

What's the problem? Is there a driver that correct that bug ?

Thank you for helping.

AaronP 04-19-09 10:19 PM

Re: 9800GX2 twinview impossible
 
You're trying to use one monitor on one of the GPUs in your 9800 GX2 and one monitor on the other. TwinView requires two monitors plugged into the same GPU.

ubuntu-addict 04-20-09 03:59 AM

Re: 9800GX2 twinview impossible
 
Quote:

Originally Posted by AaronP (Post 1987204)
You're trying to use one monitor on one of the GPUs in your 9800 GX2 and one monitor on the other. TwinView requires two monitors plugged into the same GPU.

Hello! Thank you very much for your answer!
Do you kow how could I plug my two monitors on the same GPU? Is it possible?

AaronP 04-20-09 11:32 AM

Re: 9800GX2 twinview impossible
 
It depends on the board and how the ports on the back are wired to the GPUs. Is your board one of the ones with two DVI connectors and a DisplayPort connector? If so, you could try getting a DP-to-DVI dongle and plugging one of your monitors into that.

mattty 04-20-09 11:11 PM

Re: 9800GX2 twinview impossible
 
You can use Xinerama to span one screen across both gpus, but this disables the Composite extension which Compiz requires.

I have a thread on it here: http://www.nvnews.net/vbulletin/showthread.php?t=130603

ubuntu-addict 04-30-09 10:26 PM

Re: 9800GX2 twinview impossible
 
Quote:

Originally Posted by mattty (Post 1988000)
You can use Xinerama to span one screen across both gpus, but this disables the Composite extension which Compiz requires.

I have a thread on it here: http://www.nvnews.net/vbulletin/showthread.php?t=130603

That's what I did, but I would really love to use compiz on my two screens :(
What do I have to do? Buy another videocard..?


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