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Quadro 4000 Display Port glitch?

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Rick Turners
Quadro 4000 Display Port glitch?
on Jul 20, 2013 at 1:15:05 am

I just changed cards over in my system, exchanged the gtx 280 for a quadro 4000.
The video signal from the DVI output of the 4000 looks fine, but the Display port looks low-res or anti-aliased? I tried a converter from dP - HDMI to see if it was a cord/monitor input issue but it is not.

For a few days, whenever I would reinstall the drivers for the 4000 it would come up normal from both outputs, then when I would restart again, it would be weird.

Has anyone experienced this? Is it possible this is a driver conflict from the old GTX 280?


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Juan Salvo
Re: Quadro 4000 Display Port glitch?
on Jul 20, 2013 at 2:38:49 am

Where are you feeding the DP signal to? What adapter are you using? Passive display port adapters (ones without a power source, USB or otherwise) can only carry single link signals. Which only got up to 1920x1200. Active adapters (the ones from apple require you to plug in a USB port to power it) allow for dual-link signals which support larger screens at full res.

color/post/workflow
http://JuanSalvo.com


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Rick Turners
Re: Quadro 4000 Display Port glitch?
on Jul 20, 2013 at 6:49:31 am

I'm only trying to feed a 24" 1920x1200 monitor. Same one as when using the gtx 280. It's a simple non powered adapter


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Juan Salvo
Re: Quadro 4000 Display Port glitch?
on Jul 20, 2013 at 7:01:39 am

Sounds like the adapter or cable could be faulty. Might want to contact NVidia for support.

color/post/workflow
http://JuanSalvo.com


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Rick Turners
Re: Quadro 4000 Display Port glitch?
on Jul 20, 2013 at 9:30:57 pm

After doing some more googling I found this, http://forums.creativecow.net/thread/2/1023414
Same issue, except I'm not using a dreamcolor, but a similar HP monitor.
Doesn't seem to be a fix though.


If I were to feed the problem monitor an HDMI signal from the BMD card would I be able to use it as a separate monitor as well as having my client plasma work as an output monitor?


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