On 09/04/11 04:05, Linuxguy123 wrote:
> I received the Dell U3011 monitor today, which has a native display
> resolution of 2560x1600.
>
> I have an HP HDX9494 with an Nvidia Geforce 8800 GTS video card in it
> that I am using to drive it.
>
> The user manual for the U3011 is here
> http://support.dell.com/support/edocs/MONITORS/U3011/en/ug/about.htm
>
> The specs for the HDX9494 is here
> http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01490775&tmp_task=prodinfoCatego ry&lc=en&dlc=en&cc=us&os=2100&product=3747924&sw_l ang=
>
> Info on the Geforce 8800 GTS is here
> http://www.nvidia.com/page/geforce_8800.html
> http://www.nvidia.com/page/8800_tech_specs.html
>
> The problem is that I can't get the laptop to HDX9494 to drive the U3011
> at 2560x1600.
>
> The U3011 has several inputs, HDMI, DisplayPort, DVI (Dual link) and
> VGA.
>
> According to the manual, the "highest preset resolution" of the monitor
> when using the HDMI input is 1920x1600 @ 60 Hz. The "highest preset
> resolution" is 2560x1600 for DVI and DisplayPort inputs.
>
> The HDX laptop does not have a DVI or DisplayPort output. It does have
> an HDMI port.
It's not going to work at 2560x1600, then. You need the dual link DVI.
> According to the GF8800 documentation, it has two dual link DVI ports
> that support 2560x1600.
> How do I get my HDX to drive the U3011 at 2560x1600 ?
Andrew.
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On Fri, 2011-04-08 at 21:49 -0700, Nataraj wrote:
> On 04/08/2011 09:17 PM, Linuxguy123 wrote:
> > On Fri, 2011-04-08 at 21:59 -0600, Linuxguy123 wrote:
> >> I'll connect to the DVI port and rerun it.
> I have had similar difficulty getting a Dell U3011 to run at 2560x1600
> on a MacMini with an Nvidia GeForce 320M. Using the displayport
> interface on both the 320M and the U3011, the best I can get is
> 1920x1440. I did play with the xorg.conf file quite extensively, but
> didn't do any better trying to specify modelines. I am using the Nvidia
> driver.
You might want to check this thread out.
http://www.nvnews.net/vbulletin/showthread.php?t=160758
DisplayPort should be capable of driving the monitor to full resolution.
> I also had difficulty trying to get a second monitor to work. The
> second monitor is a Dell U2410. I can get either monitor to work fine
> alone, but when I try to start the xserver with 2 monitors connected,
> the second monitor can't sync. The second monitor (U2410) is connected
> to the HDMI port.
I can get 2 monitors working on the HDX. First I connect one monitor to
the VGA port and get it working. Then I disable the laptop display.
Then I add the second monitor.
Right now I am running the U3011 at 1920x1200 and the FPW2007 at
1680x1050.
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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.
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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On 09/04/11 16:15, Linuxguy123 wrote:
> 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
I think you'll find that I told you that first. :-)
> 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.
Is the HP HDX9494 capable of driving a dual-link HDMI, then? If so, it's
a trivially solved problem.
> 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 !
I can't say I'm surprised.
Andrew.
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2560x1600 display issue. (x11?, nvidia 8800 GTS, hdmi, dvi-d, Dell U3011)
