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Re: Xorg -configure problems

On Wed, 2004-06-30 at 15:15 -0400, Art Werschulz wrote:
> Regarding my X-windows configuration problem, I was told
> > This information is readily available on the web:
> > 
> > http://support.ap.dell.com/docs/monitors/p793/En/specs.htm
> > 
> > Resolution  
> > Horizontal scan range 30 kHz to 96 kHz (automatic) 
> > Vertical scan range 50 Hz to 160 Hz (automatic) 
> > Optimal preset resolution 1024 x 768 at 85 Hz 
> > Highest preset resolution 1600 x 1200 at 75 Hz 
> AFAICT, all this information is currently present in the xorg.conf
> file, except for the 85Hz.  Currently, the xorg.conf file has

The 85 Hz is the refresh rate, not the DotClock which is typically a
value in the MHz range. Can find a lot of info on this at
However, ESR points out "This HOWTO is effectively obsolete. Current
(4.0.1 and up) versions of XFree86 compute optimal modelines from the
resolution you specify in the Modes section of your X configuration

> HOWEVER ... I'm wondering if this is a red herring.


> After all, we're
> able to launch X windows successfully.  The problem only happens when
> terminating an X windows session, in which case we're getting the
> abberant behavior:
> (1) The screen shows a floating box with a complaint.
> (2) When the X server shuts down, it wedges, and can only be restored
>     by switiching runlevels (init 3; init 5).

Sounds like enough of a problem to want to fix.  Wish I could help more
than that, but at least can point out that the DotClock seems to be a
wild goose chase (to add another metaphor).


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