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Date:      Thu, 4 Sep 2008 11:58:00 -0400
From:      Adam K Kirchhoff <adamk@voicenet.com>
To:        freebsd-x11@freebsd.org
Subject:   Re: ATI Radeon 2400XT - screen goes blank
Message-ID:  <200809041158.01059.adamk@voicenet.com>
In-Reply-To: <20080904142730.GA7078@aurora.oekb.co.at>
References:  <20080904142730.GA7078@aurora.oekb.co.at>

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On Thursday 04 September 2008 10:27:30 Ewald Jenisch wrote:
> Hi,
>
> I've got a ATI Radeon 2400XT card in a Dell Optiplex 740 system
> running under FreebSD 7.x (i.e. fully updated as per today
> wrt. kernel, system and ports)
>
> Following "the handbook" I've configured xorg.conf using "Xorg
> -configure" followed by "X -config /root/xorg.conf.new".
>
> The only thing that happens is that the screen goes blank and the
> monitor writes a message "out of Range".
>
> Tried with numerous "Modes" like "1280x1024", "1024x768" - I've even
> created a custom modeline using the hints in
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/x-config.html
> - to no extent.
>
> BTW, the monitor in question is a Hanns-G "JC198D" capable of 1280x1024
>
> Has anybody else seen this problem with a ATI 2400XT - and even more
> interesting, what can I do against it?
>
> I'm including both the xorg.conf as well as /var/log/Xorg.0.log.
>
> Thanks much in advance for any clue,
> -ewald

In the monitor section, try adding:

    Option "PreferredMode" "1280x1024"

or even:

    Option "PreferredMode" "Custom-settings"

Adam


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