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

[Roman Haefeli]

On Wed, 2009-03-11 at 15:40 +0200, Micha Feigin wrote:
> On Wed, 11 Mar 2009 00:26:20 +0100
> Martin Aumueller <aumuell@reserv.at> wrote:
> 
> > Hi Roman,
> > 
> > On Tuesday 10 March 2009 20:29:33 Roman Haefeli wrote:
> > > hi martin
> > >
> > > thanks a lot for sharing the solution. it addresses a problem, that has
> > > been bugging me as well for a very long time (no 1024x768 provided) and
> > > i had a hard time finding a solution.
> > > now, your method definitely works, also for me, though i have a t61 (not
> > > t61p) with a native resolution of 1680x1050. using the provided edid
> > > file doesn't work here ( i get funky lsd-ish colors on one side of the
> > > screen). therefore i would like to ask you about the way you created the
> > > augmented edid file. i found the ubuntu package 'read-edid', which
> > > provides 'get-edid' to obtain the binary data and 'parse-edid' to
> > > convert it to human readable text. but when editing the text-file, how
> > > can i create a binary file from that?
> > 
> > I followed the steps as outlined here:
> > http://myricci.com/index.php?option=com_content&task=view&id=36
> > 
> > I followed the steps described there to modify (i.e. add the 1024x768 mode) 
> > the edid data that I could dump with nvidia-settings (go to GPU-0, choose your 
> > internal LCD, acquire EDID). I used the C source code provided at the above 
> > url in order to do the necessary conversions and used the mentioned phoenix 
> > windows program for actually adding the mode.
> > 
> > I hope that helps,
> > Martin
> > 
> 
> I followed the instructions and it seems to have worked. I attached the
> resulting file for anyone that may be interested.
> 
> This is with a t61, nvidia quadro nvs 140m, 15.4" screen and native resolution of 1680x1050
> I enabled explicity 1024x768 and 800x600 but it seems to have enabled most 4:3
> ratio modes. I just tested that I can go into 1024x768 for now. This is with the nvidia binary driver 180.37

hey, i have the exact same specs and it works well for me. i am very
glad that i can use now common modes such as 1024x768 and 1280x1024. 

many thanks for sharing your edid.

roman


	
		
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