[ltp] Re: Dual Output Displays

[Alex Deucher]

On 4/25/05, Ron Joffe <ron.joffe@sienatech.com> wrote:
> On Monday 25 April 2005 09:59, Alex Deucher wrote:
> > Just the internal LCD and an external monitor of some sort.  The
> > savage only has one DAC and one FP controller.  I suspect the DVI port
> > on the docking station is run by a TMDS controller attached to the DAC
> > output, but I don't know for sure.  I don't know how IBM wired it up.
> > Can you run dualhead on the DVI and vga port in windows?  If so it
> > should be possible in X, we'd just have to figure out how to route the
> > outputs.
>=20
> Are you familiar at all with the new generation of Thinkpads utilizing th=
e ATI
> Mobility FireGL? Do you know if the dual output capabilities exist in tha=
t
> chipset?

Yes.  All mobile Ati chipsets since the mach64 variants (LT pro, M1,
etc.) have supported dualhead.  Xorg has support for dualhead on r128
based chips (M3/M4) and all radeon based chips (including firegl).

Alex

>=20
> Ron
>=20
> --
> Ron Joffe
> Siena Tech, Inc.
> 120 Old Bridge Lane
> Chapel Hill, NC 27517
> (919) 928-0404