[NTLUG:Discuss] DualHead and XFree86

Jack Snodgrass jack+ntlug at mylinuxguy.net
Sat Jun 29 09:59:26 CDT 2002


Thanks....
are you 100% sure about:
> Dualhead support works quite well with the GeForce - but
> you need to have one analog monitor and one DVI monitor
> (eg an LCD flat panel).

I thought that I read that you could have two 'vga' type monitors
with these cards. If it's really one DVI and one VGA, that's 
a show stopper for me. I want to use two existing 19"+ monitors
that I already have. 

Someone else pointed out that I might just want to use a single
monitor setup and a X-Term type device for the second monitor. 
I am going to look at that first before I go and buy a new video 
card. I have a Ultra5 that I could use as the X-Terminal to get 
the second Linux session up and running. I think I'll play with 
that first. 

jack



----- Original Message ----- 
From: "Steve Baker" <sjbaker1 at airmail.net>
To: <discuss at ntlug.org>
Sent: Saturday, June 29, 2002 5:37 PM
Subject: Re: [NTLUG:Discuss] DualHead and XFree86


> Jack Snodgrass wrote:
> > I'm thinking of getting a video card ( Radeon 7500 or
> > Geforce4 MX 440 ) that both have some sort of
> > dualhead support from XFree86 4.2.x ( RedHat 7.3 )
> >  
> > Has anyone had any real world experience with this
> > type of setup?
> 
> Dualhead support works quite well with the GeForce - but
> you need to have one analog monitor and one DVI monitor
> (eg an LCD flat panel).
> 
> Aside from that, the GeForce-4 card has MUCH better
> 3D drivers than the Radion - so if you are planning
> to do any 3D rendering, the GeForce wins hands-down.
> 
> The only downsides for the GeForce are:
> 
>    1) The drivers are closed-source.
> 
>    2) Some people complain that the analog video
>       quality of the GeForce is inferior to the the
>       Radion - you won't see that problem on the DVI output.
>       I'm not convinced that the difference is noticable
>       though...I guess it depends a lot on how good your
>       monitor is, what resolution you plan to use and
>       how tolerant you are!  I've also heard that some
>       board manufacturers are using higher quality
>       analog components than some others - so it may
>       matter which card manufacturer you go to.
> 
> > Are there any better options for doing dualhead
> > with XFree86?
> 
> Not that do reasonable 3D performance - I guess there
> may be some older non-3D cards that do better.
> 
> 
> ----------------------------- Steve Baker -------------------------------
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> 
> 
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