[mythtv-users] Ahh - Evil xorg and modelines

William Munson william_munson at bellsouth.net
Wed Jun 6 10:21:48 UTC 2007


Damian Surr wrote:
> Thanks for those quick responces everyone! I'll go and have a look at 
> that now. In the mean time, can anyone work out how on earth I can 
> deduce a working mode line from this information in the back of my manual?
>
> Timing chart:
> Supported timing for PC input
>               Horizontal Vertical   Pixel
> Resolution    Frequency  Frequency  Frequency  Mode
>               (kHz)      (Hz)       (MHz)
>               48.363     60.004     65.000     XGA_60
>               56.476     70.069     75.000     XGA_70
> 1024 x 768    60.023     75.029     78.750     XGA_75
>               68.667     84.997     94.500     XGA_85
>
> I'm just trying to get that one resolution working for starters and I've 
> tried everything I can think of. My projector's actually a 16x9 display 
> with an 854x480 native resolution, but I've completely given up on that 
> for now. I thought I'd start with trying to get the list of supported PC 
> input resolutions working.
>   

Depending on your xorg version you should have a predefined mode of 
"1024x768_75". Since you are working from a vga input your logs should 
show all the supported modes as read from the edid data.


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