[AG-TECH] Matrox QID card

[Natalia Costas Lago]

Hi Derek,

The performance improved a lot lowering the depth to 16 bits instead of 32 
on the 4 displays (half of the information to be processed I guess). Did u 
try that?

Kind regards,
Natalia.

----- Original Message ----- 
From: "Derek Piper" <dcpiper at indiana.edu>
To: <ag-tech at mcs.anl.gov>
Sent: Thursday, March 24, 2005 8:26 PM
Subject: [AG-TECH] Matrox QID card


>
> Hi everyone,
>
> I've been wanting to look into a newer graphics card for our AG machine 
> and I was wondering if anyone has any experience using Matrox QID cards? 
> I'm wanting to replace the PCI Nvidia Quadro NVS with an AGP solution 
> since I too have noticed slowdown with multiple video streams (like 
> Natalia mentioned a month ago on the list). One thing though, we have a 
> machine that uses a simple AGP card for its main/operator display and we 
> have 4 projectors arranged in a 2x2 'wall'. One thing I'm pondering over 
> though, is how to get the single display of the PCI card to be the 'main' 
> one and have the AGP card drive the other displays, anyone know if that's 
> possible?. If I'd have to have the AGP card drive 'display 1', I was 
> wondering if anyone thinks this is sane:
>
> Matrox QID (AGP)
> display 1 -> operator console
> display 2 -> 1st projector display
> display 3 -> 2nd projector display
> display 4 -> 3rd projector display
>
> Matrox Parhelia PCI
> display 1 -> 4th projector display
> display 2 -> ?
>
> To note, I'd like to stick with DVI outputs on all 5 outputs (I know you 
> can do 3 displays on a parhelia card with VGA/RGB connectors).
>
> I welcome anyone's comments/ideas.
>
> Thanks,
>
> Derek
>
> -- 
> Derek Piper - dcpiper at indiana.edu - (812) 856 0111
> IRI 323, School of Informatics
> Indiana University, Bloomington, Indiana
>
>