Re: [XFree86] mga 1600x1200 DVI [scanned]

[Thomas Winischhofer]

According to the Matrox website 
(http://www.matrox.com/mga/products/tech_info/g550_factsheet.cfm) the 
G550 can only do up to 1280x1024 via *digital* DVI, 1600x1200 via 
*analog* DVI. (1280x1024 is the limit for all "single-link" cards/output 
devices. Resolutions above this require a "dual link" card/output 
device. The difference can also be seen on the cable; single-link 
cables/plugs do not use the middle 3x3 pin block, dual-link cables use 
all pins ... and are twice as expensive, BTW)

Thomas

Veit Wahlich wrote:
Hi Ken!

Am Die, 2003-03-18 um 00.08 schrieb Ken Marx:


(Just fyi - I got both a g550, and a g400 to work 
at 1600x1200 in DVI on a viewSonic vp230mb.
I had to clock the refresh rate down to 56hz
from 60hz. Ignorance was bliss there, I guess.)


I am sure I tried this - my ViewSonic VX2000 did not work at any refresh
rates other than 60Hz at this resolution. Are you sure it was using
DVI-D and not DVI-A? There are some panels around that have got a DVI
connector (with VGA adaptor) but actually use a VGA signal via DVI-A,
e.g. ViewSonic VG series.

Before I go and try the Ti4200, I might as well ask
if you've tried Option "Rotate" at 1600x1200 dvi?
I see that the nv driver supports it (that's what
you're using I presume).


My panel is not rotatable so I have not chacked whether this is
supported or not, but there is a PDF document at the nvidia XFree
drivers page (www.nvidia.com->drivers->graphics->Geforce->Linux/FreeBSD)
listing and describing all options available.
Regards,
// Veit
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Thomas Winischhofer
Vienna/Austria
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