Hi,

Thanks for the answer, at least that nails down the problem (I wasn't sure if 
it was X or the driver).
Another question: how am I supposed to only use the external display? 
If what I have read is correct, the i810 driver does not support the two heads 
so how can I say I just want to use the "external display" one? (there is no 
"crt_screen" option like in the ATI driver).

Gabriel.


On Thursday 17 October 2002 03:52, you wrote:
> On Fri, Oct 11, 2002 at 11:55:09AM +0200, Gabriel Ripoche wrote:
> >Hi,
> >
> >I have a R505 Vaio laptop with a i830 chipset and am trying to have X
> > display on an external screen as well as on my LCD panel.
> >Right now I managed to have the display on both if the external monitor is
> >plugged when I boot (this is actually automatic) but my external display
> >frequency is 60Hz, which is a real pain on a 21".
> >I haven't figured out a way to raise the external display frequency
> > (played around with the XF86Config file but did not manage to get
> > anything better) and the i830 chipset does not have the "crt_screen"
> > option such as ATI.
> >
> >Has anybody figured out a way to have a decent frequency on an external
> >display? (and optimally, a higher resolution, because my LCD panel is
> >1024x768, which is pretty big on a 21")
>
> Unfortunately the driver doesn't support driving two displays at different
> refresh rates.  It should be possible to get a better refresh rate when
> using only the external display.
>
> David

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