William,

I will be interest in how you get on, since I have a dual monitor Ultra 
27 with Quadro NVS 290. The problems I have had so far:

1) A lot of problem with second monitor with special effects turned on. 
I fixed this by getting my hands on a more compatible monitor.

2) When you get it working, please keep an eye on the screensaver 
password window. Let me know if the entering password takes an age??

Andrew

> William Kucharski wrote:
>> I've recently installed a new generic PC containing a Quadro NVS 290, 
>> but my dual monitor setup no longer works.
>>
>> Specifically, monitor 2 is a Dell 2001 FP.
>>
>> The NVidia driver correctly probes the monitor, but trying to drive it 
>> at its native 1600x1200 at 60 Hz fails to bring the monitor out of sleep 
>> mode.
>>
>> I can reduce the resolution to 1280x1024, and that will wake up the 
>> second monitor, but as that's a non-native resolution it looks horrible.
>>
>> This same setup worked fine with an older Nvidia card in an Ultra 20, 
>> so it appears to be an issue with the Quadro NVS 290 and Twinview.
>>
>> (I also when playing with this get lots of errors about bad metamodes.)
>>
>> Is this a known bug?
>>
>>   
> No.
> 
> Quadro NVS 290 is supposed to support at least 154MHz pixel clocks out
> of the second digital output for 1920x1200 reduced blanking.
> (I'm assuming you are not using an analog cable).  However, if the Dell
> asks for VESA 1600x1200 at 60Hz this will require 162MHz.
> 
> The contents of /var/log/Xorg.0.log will offer clues including the maximum
> pixel clock for each output.  Starting the X server with " -logverbose 5"
> provides even more clues.
> 
> You can also try forcing the use of 1600x1200 at 60Hz with reduced blanking.
> In the second monitor section of /etc/X11/xorg.conf add:
> 
>  ModeLine    "1600x1200rb" 132.3 1600 1608 1672 1776 1200 1205 1215 1239 
> +HSync +VSync
> 
> Then call out that name in the modes section:
> 
>      Modes       "1600x1200rb" "1280x1024" "1024x768" "800x600" "640x480"


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