> I'm considering buying a G450 for dualhead on my machine, but I want to know
> if I can hook up a 19" (primary) monitor and a 15" (satellite) monitor with
> few problems, at different resolutions.
yep. been there, done that, no worries. had a 21" at 1440x1080@81Hz,
and a 14" at 640x480.
> I've heard that matrox has
> antialiasing problems with their drivers though. Is that still true?
dunno. maybe I'm just dense but I generally never notice
antialiasing problems.
> Does
> anyone have specifics? Can I run it in Xinerama, with one big desktop, at
> different resolutions?
yep. been there, done that, see above.
they just have to be run at the same color depth.
> Do I have to, or can I have two separate desktops
> running, just sacrificing the ability to move windows from one screen to the
> other?
yes you can. some actually like working this way; but it really
bothered me.
> In short, why would I NOT want to buy this card?
DRI with mine causes X to lock up after a few (3-20) minutes of
playing some games. not all 3D stuff causes it (FlightGear flight sim,
atlantis, and glxgears don't cause any problems); but the FPS games
(Half-Life, Rune, Quake3 Arena) cause it to hang the framebuffer after some
time.
I've got a 'revision 82' G450. dunno exactly what that means. maybe
those people who have it working fine, have a different revision. based on
my browsing through the driver source, the only difference between a G400
and a G450 is that the revision # is >80.
the other problem with the G450 is that when running with 2 heads,
the memory isn't split 50/50; it's split 75/25. the second head only gets
8MB of video ram. ~~;(
does anyone know if the dual-head Radeons do anything similarly stupid? what
about the G550?
also keep in mind that you'll need to turn up the AGP speed on the
second head in order to get a decent dotclock limit. otherwise your max
refresh rates will *suck*.
Carl Soderstrom
--
Network Engineer
Real-Time Enterprises
(952) 943-8700
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