[ltp] Re: External video on T61

[Micha]

On Mon, 19 May 2008 23:23:38 -0400
Shannon McMackin <smcmackin@gmail.com> wrote:

> John Jason Jordan wrote:
> > On Mon, 19 May 2008 16:55:27 -0700
> > John Jason Jordan <johnxj@comcast.net> dijo:
> > 
> >> On Mon, 19 May 2008 17:21:08 -0500
> >> Pablo Vera <pvera@vercan.com> dijo:
> >>
> >>> As suggested on the mail by Christoph, you should use nvidia-settings.
> >>>
> >>> Open a console and type: sudo nvidia-settings, provide your password and 
> >>> select "X Server Display Configuration" on the left panel.  From there 
> >>> you will see that the driver detected both the internal LCD panel and 
> >>> the external projector, but the projector is disabled.  Click on the 
> >>> projector, enable it and set it up as you see fit.  Finally press: "Save 
> >>> to X Configuration File" and you are done.  Log off and re-login and it 
> >>> should work.
> >> Thanks guys,
> >>
> >> I managed to get it to work using nvidia-settings, except the projector
> >> is displaying on the screen only about 1/4 of my screen. My screen is
> >> 1680 x 1050. In "X Server Display Configuration" the projecter options
> >> are Auto, 320 x 240 and 640 x 480. I need to be able to set it higher
> >> in order to capture all the screen of my laptop, but the choice is not
> >> there.
> >>
> >> Making progress, though. Further suggestions needed.
> > 
> > Further difficulties. 
> > 
> > There are too many options that I don't understand on the
> > nvidia-settings configuration dialog box for X Server Display
> > Configuration. What is "clone"? What is "twinview"? What is "separate X
> > server"?
> > 
> > I tried several options, some of which required restarting X. I did so
> > with Ctrl-Alt-Backspace. Half the time when I logged back in the screen
> > came up without my Gnome panel settings. Very strange. I don't
> > understand how I am going to cram my 1680 x 1050 display onto a
> > projector that will only do 640 x 480.
> > 
> > I ended up disabling the external projector for now. I have my Gnome
> > panel settings back. Until I figure this out better I am going to leave
> > it alone. I don't understand Linux that well and I can't afford to
> > screw the computer up with a project due in two weeks.
> > 
> > If someone can suggest a tutorial on using external video with a T61
> > with Linux, maybe I can give it another shot later.
> Essentially the way it works is that there's a total amount of virtual 
> screen space for xrandr or other tools to use.  I have the Intel chip 
> and it has a limit of 2048x2048.  What I choose to do is clone my LCD at 
> 1024x768 on to the video port at 1024x768.  Works great and I can use 
> the standard Ubuntu resolution settings to do this.
> 

Yes, but for some reason at least for me with nvidia and the projector I worked
with the maximum external resolution was 640x480 and minimum internal one is
1280x960 or 1400x900 or 1280x1024 for a square one. I don't know external
projectors that reach this