[ltp] Using an external projector with t61 - mirror output

[Micha Feigin]

On Tue, 3 Mar 2009 15:27:13 +0100
Martin Aumueller <aumuell@reserv.at> wrote:

> I got that to work on my 14" T61p (1400x1050) by:
> - adding the line
>        option "CustomEDID" "DFP-0:/etc/X11/t61p-edid-augmented.bin"
>   to my /etc/X11/xorg.conf in the "Device" section
> - and by putting the attached file into the specified location
> 

Looks to be to the point only it's no good for the t61 with 15.4 inch screen.
Maximum resolution in there is 1400x1050 and both it's and the 1024x768 timings
are off so the screen is messed up.

I'll try looking for an appropriate edid file, any idea how you found this one?

> I found a tip on how to do that on some ubuntu web page, if I remember 
> correctly. This custom EDID file adds the 1024x768 mode to the list of 
> supported modes.
> 
> Regards,
> Martin
>  
> On Tuesday 03 March 2009 13:29:24 Micha Feigin wrote:
> > I was trying to use an external projector with my t61 (debian + xfce +
> > nvidia drivers from their site 180.29).
> >
> > Problem is that I couldn't get the laptop and the projector to agree on a
> > resolution since the external monitor is 4:3 (1024x768) and the internal
> > monitor doesn't seem to want to do that.
> >
> > It's very auckward giving a presentation like this since I need to keep
> > looking at the screen behind me instead of the machine in front of me. Is
> > there any way to get the t61 with nvidia to mirror the external screen at
> > 1024x768?
> >
> > (couldn't even get a dual screen to work since the presentation insisted of
> > going to full screen on the internal monitor)
> >
> > Thanks
>