[ltp] T41 matching VGA+LCD ??

Alex Deucher linux-thinkpad@linux-thinkpad.org
Wed, 6 Oct 2004 22:04:09 -0400


On Wed, 6 Oct 2004 18:39:02 -0700, Matt Ettus <boyscout@gmail.com> wrote:
> which section does mergedfb go in?  It doesn't seem to do anything for me
> 
> 

it goes in the radeon device section.  all of the options go in the
device section.

Alex

> 
> 
> On Wed, 6 Oct 2004 21:27:16 -0400, Alex Deucher <alexdeucher@gmail.com> wrote:
> > On Wed, 6 Oct 2004 18:12:14 -0700, Matt Ettus <boyscout@gmail.com> wrote:
> > > Hi.  I have a T41 with a Radeon M9 and Fedora Core 2, X.org 6.8
> > >
> > > Does anyone know how to get the external VGA connector to show the
> > > exact same thing as the LCD?  The closest I can get is the external
> > > one matching the internal, but with only a 640x480 resolution and a
> > > bigger virtual desktop.
> > >
> >
> > that's mergedfb's clone mode.  it defaults to 640x480@60Hz if it can't
> > get the DDC info from the connected monitor so that it doesn't fry
> > your monitor with a mode it can't handle.  you can either force
> > mergedfb off (option "mergedfb" "false"), in which case crtc1 will
> > drive both the lcd and the vga port, or you can specify the Hsync and
> > vrefresh of your projector as options, eg:
> >         Option  "CRT2HSync" "30-50"
> >         Option  "CRT2VRefresh" "40-70"
> >
> > Alex
> >
> > > Basically, I am trying to do a presentation where I can see the same
> > > thing on the LCD as what I am projecting to the audience.
> > >
> > > I have no trouble at all getting xinerama or separate desktops to
> > > work, but that is not what I want.
> > >
> > > Thanks for any help
> > >
> > > Matt
> > > --
> > > The linux-thinkpad mailing list home page is at:
> > > http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> > >
> > --
> > The linux-thinkpad mailing list home page is at:
> > http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> >
> 
> 
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