[ltp] docking with DVI problem

[Alex Deucher]

On 11/6/05, Andrey Kislyuk <kislyuk@gatech.edu> wrote:
> All T40 series machines support DVI in the dock or port replicator to my
> best knowledge. The Radeon driver does support DVI, you just need to
> make sure you boot the laptop with it as the primary display device;
> you'll have to reboot the laptop every time you want to switch displays =
=3D(
>
> I have been able to run up to 1680x1050 on my port replicator's DVI with
> a Mobility M9, but I'm not sure how high the M7 (7500) can go. Nothing
> above 1280x1024 is guaranteed to work at the hardware level.
>

All radeons (and even r128) have an integrated 165 Mhz TMDS
transmitter, so as long as your mode's dot clock is 165 Mhz or less,
you should be good to go.  However, the quality may be dictated by the
quality of the actual connector IBM wired up to the TMDS pins.

Alex

> -ak
>
> Stefan Schmidt wrote:
> > Hello.
> >
> > On Sun, 2005-11-06 at 12:31, Martin H?fling wrote:
> >
> >>I have a T40 (2373) with a radeon 7500 mobile and a ultradock II. I got=
 a new
> >>20' TFT which I wanna use via DVI. I am confused about different inform=
ation
> >>about DVI:
> >
> >
> > You are sure, taht your model support DVI? I use a T40p with DVI, but
> > i'm think the normal models in the T40 line does not support DVI. But
> > i never tested this fact.
> >
> > regards
> > Stefan Schmidt
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