On Tue, 25 Mar 2003, Derek Richardson wrote:
> Mark,
> The only experience that I've had w/ that is the Matrox G450/550, and
> IIRC, I was told that was an issue of the 2nd RAMDAC operating at a
> lower clockspeed. I hope you're not right ;).
> Thanks,
> Derek R.
I don't know about the G450, but the G400 definitely did not
support 8+24 mode on the second head. It didn't even support
depth 8 on the second head or gamma correction or DirectColor
visuals or hardware cursor.
Ebgert (or Andrew?) is working on a way to emulate PseudoColor
with DirectColor so you can run simultaneous depth 8 and depth
24 windows on the screen if you don't care about the overlay
functionality (ie. color key and multiple layers). But that
would require DirectColor capability, which the G400 didn't
have on the second head.
Mark.
>
> Mark Vojkovich wrote:
>
> > It was my impression that of the cards that supported overlays,
> >they only supported them on one head. If that's still the case
> >(I don't know of any counter examples), then a single card, two
> >head system is unlikely.
> >
> > MArk.
> >
> >On Tue, 25 Mar 2003, Derek Richardson wrote:
> >
> >
> >
> >>All,
> >>I'm having trouble finding information about a recent ( read :
> >>reasonable performance ) graphics card that will do 24 bit / 8 bit
> >>overlays in a dual-headed ( pref. w/ Xinerama ) configuration w/
> >>XFree86. Does anyone have any suggestions? I haven't any luck w/ Google
> >>or the archives, and I know the last time I tried to find a card that
> >>could handle this, about 2 years ago, it wasn't possible.
> >>Thanks,
> >>Derek R.
> >>
> >>--
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> --
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