On Sat, 2011-04-09 at 10:20 +0100, Andrew Haley wrote:
> On 09/04/11 04:05, Linuxguy123 wrote:

<snip>

> > How do I get my HDX to drive the U3011 at 2560x1600 ?
> 
> You can't.  It's not physically capable.
> 
> With a dual-link DVI setup you'll see
> 
> [    31.372] (II) NOUVEAU(0): Printing probed modes for output DVI-I-1
> [    31.372] (II) NOUVEAU(0): Modeline "2560x1600"x59.9  268.00  2560 2608 
> 2640 2720  1600 1603 1609 1646 +hsync +vsync (98.5 kHz)
> [    31.372] (II) NOUVEAU(0): Modeline "1280x800"x59.9   71.00  1280 1328 
> 1360 1440  800 803 809 823 +hsync -vsync (49.3 kHz)

a) You are right.

b) It should.   

HDMI 1.3 has enough bandwith.   See here.
http://en.wikipedia.org/wiki/HDMI

But Dell crippled its HDMI input on the U3011 to 1920x1200.  One can get
around that issue by using a Dual Link HDMI to DVI adapter such as this
one.

http://us.startech.com/product/HDMIDVIFM-HDMI-Female-to-DVI-Male-Adapter

The real issue is that either Nvidia or HP made the decision to drive
the HDMI port on my HDX with a single link output instead of a dual link
output.

Its very interesting to read as I get more into this that even laptops
with DisplayPorts aren't guaranteed to drive a monitor at 2560x1600.  I
thought that was the point of all these fancy high bandwidth
interfaces ! 

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