[ATrpms-users] No video output using Nvidia 169.09...

[Paulo Cavalcanti]

On Thu, Mar 13, 2008 at 11:59 PM, Nicolas Riendeau <knightr at istop.com>
wrote:

> Hi!
>
> Paulo Cavalcanti wrote:
> >  Some cards have two ports, one dvi and the other vga.
> > There are cases that X takes the wrong port. I mean, if you are
> > connecting a monitor
>
> You're right, that is what was happening...
>
> > using the vga port, try using an adaptor and connecting to the dvi port.
>
> I took a DVI-I to VGA adapter from another card (that shouldn't matter,
> right?) and


There are different types of adapters.

http://www.pacificcable.com/DVI_Tutorial.htm



>
> tried it... It worked (so you are right, the problem is that it's not
> using the right
> port) but the picture is not pretty (colors are washed out, it looks like
> the red
> gred and blue "guns" signals are not in sync with each other or something
> like that).
>
> I tried playing with the sync settings on my monitor (sync on green,
> separate,
> etc...) and the situation did not improve...
>
>

I am pretty sure it is possible to tell X to use the right port.
Try looking at nvidia howto.

http://us.download.nvidia.com/XFree86/Linux-x86/1.0-9746/README/appendix-d.html

Maybe

Option "UseDisplayDevice" "CRT"


I am just guessing here. When this happens to me (it is not common) I use an
adaptor.

-- 
Paulo Roma Cavalcanti
LCG - UFRJ
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