[lug] Re: question on Xorg server configuration

Phil Rasch pjr at supstitches.com
Mon Jan 31 18:59:05 MST 2005

The savage chipsets changed between the T21 and T23. I have the T21.
I have a colleague who has a later T21 and he couldnt even get the
software switch to work. We have a slightly different version of the


On Mon, Jan 31, 2005 at 05:25:01PM -0700, Jani Averbach wrote:
> On 2005-01-31 17:09-0700, Phil Rasch wrote:
> > I mean the LCD and a single external device (typically a projector). It
> > is frequently the case that notebooks running under linux require a
> > "software switch" rather than the "hardware switch" in order to display to 
> > both output devices simultaneously. For example I know this to be the 
> > case on 
> > 1) fujitsu lifebooks (using the intel 855gm graphics)
> > 2) ibm thinkpads (using a savage chip)
> > 3) dell latitudes (ati radeon mobility
> > 4) dell latitudes (with nvidia chips)
> > 
> > Each of those laptops allow some mechanism for toggling between external
> > and internal (LCD) displays via hardware (either Fn or closing the lid)
> > but each of them require a software solution on the linux side to get them
> > to display the same image to both devices simultaneously.
> I found this interesting, I have a Thinkpad T23, with savage chip, and
> I am using it all the time with both LCD display and external display
> on (with same image).  I am using Fn button for this.
> BR, Jani
> -- 
> Jani Averbach
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