[mythtv-users] I want one!

Steve Hodge stevehodge at gmail.com
Sat Feb 10 04:39:04 UTC 2007

On 2/10/07, Yeechang Lee <ylee at pobox.com> wrote:
> * What would it take to drive a display like this? Two low-end Nvidia
>   cards with DVI, the way 1080p displays today work with low-end (6xxx
>   and up) single Nvidia cards?

Resolution-wise a single card shouldn't be too difficult. I'm pretty sure
you can buy cards that will do 3840x2400. The GeForce4 Ti4200 in my desktop
will do 2048x1536 and can output that via dual link DVI. But 2160p requires
more bandwidth that dual-link DVI has: 4 times the bandwidth of 1080p (which
requires more than single link DVI can provide with standard blanking). With
reduced blanking it's doable with 2 dual link connections each running at
139MHz (out of 165MHz possible). That's for 60Hz (i.e. 2160p60).

So you'd need a card that knows how to split that resolution through two DVI
connectors, or two cards (probably the easiest and cheapest way).

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