On 10 Mar 2003, Johan Danielsson wrote:
> Mark Vojkovich <[EMAIL PROTECTED]> writes:
>
> > The internal TMDS controllers used by the NVS 200/400 don't support
> > higher than 1280x1024 on the DVI.
>
> Hmm, that's rather useless. So what is the maximum bandwidth?
NVS is special because it doesn't have an external TMDS controller.
Cards with external TMDS (typically a Silicon Image chip) usually
don't have such limitations.
Internal TMDS on NV17 is only 92 MHz. Internal TMDS on
NV18 (used in NVS 280) is higher and should do 1600x1200.
> > The "nv" drivers are never going to be able to drive that panel with
> > that card.
>
> And the fact that I get a picture (at 42Hz) is a pure accident?
The "nv" driver doesn't know enough about DVI interfaces
to make these kind of timing modifications (NVIDIA will not release
that information) so it relies on the BIOS to have set up the
TMDS interface, or in this particular case, uses the hardware
the way the NVIDIA binary driver left it.
>
> I suppose you don't know of a low-profile AGP card that *can* drive
> this display?
>
Low profile cards with external TMDS should be able to do this.
I've seen such cards with NV11, NV17 and NV18.
Also, newer internal TMDS like on NV18 or the upcoming NV34
should do this.
Mark.
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