[mythtv-users] Dell Flat panel setup

Pete pete at putzin.net
Wed Apr 19 03:02:39 UTC 2006


Stephen Boddy wrote:
> On Monday 17 April 2006 04:55, Pete wrote:
>   
>> I'm working on a new FE box to go with a nice Dell 23" flat panel I now
>> have (W2306C), but the panel is acting kinda odd. I'm running it with an
>> Nvidia 5500 and the picture just isn't right. It looks like it's trying
>> to use a different resolution than the panel supports, but the edid info
>> is keeping me from doing anything useful. According to Dell, the panel
>> is a 1366x768 23" monitor with both VGA and DVI connectors. I can only
>> use the VGA, but no matter what I put into xorg.conf, it will always
>> pick 1360x768 as the native resolution. Myth looks really flawed with
>> the panel doing what it's doing. But I don't know how to fix it. Note
>> that TV and DVD's look great, so it's not endemic. Does anyone know what
>> I can do here? Thanks in advance.
>>     
>
> The answer hinges on a number of factors.
>
> Which version of the nvidia drivers are you using? (The latest drivers change 
> how some parameters are defined and used, particularly for ignoring EDID 
> info.)
>
>   
8756
> Do you have a known good modeline to use with your panel? (i.e. from 
> powerstrip in Windows, or advice from someone who already has it working.)
>
>   
No, and no windows box to connect up to it unfortunatley. My laptop 
won't let me pick it as a monitor because Dell has not released a 
monitor download for it. At least not that I can find.
> What type of connection is it? (DVI, VGA, Component etc.)
>   
VGA
> For example I use a 50" DLP over DVI, with a GeForce 6600GT using driver 
> version 8756 with a native resolution of 1280x720 at 50 Hz. In the "Device" 
> section of xorg.conf I have the following options:
>
> Option       "UseEdid" "false"
> Option       "ExactModeTimingsDVI" "on"
>
> And in the "Modes section I have:
>
> Modeline      "1280x720 at 50" 76.200 1280 1736 1776 2032 720 725 730 750 +hsync 
> +vsync
>
>   
I'll try the UseEdid option and see what happens. Maybe that's good 
luck. Or I'll buy a cheap 5200 and DVI cable and see if that works. 
Thanks for the suggestions.


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