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c.f. bug 424647
List Archive: gentoo-ppc-user
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To: gentoo-ppc-user@g.o
From: Joseph Jezak <josejx@g.o>
Subject: Re: xorg.conf for Mac G4 mini
Date: Mon, 20 Jul 2009 09:11:26 -0400
>
>     SubSection "Display"
>         Depth    8
>         Virtual    640 400
>         Modes    "640x400" "720x400" "640x480" "640x480"
>     EndSubSection
These modes are picked by xac (and probably the X server as well)
because if you look at the EDID reported by your monitor, these are the
modes it supports:
     ET: [[720, 400, 70], [640, 480, 75], [640, 480, 67]] (the last
640x480 comes from the "DT" section which is the detailed timing)

How is your monitor attached? Does it produce a correct EDID elsewhere?

I looked up the model # (from the EDID) and it appears that you are
correct in using a 1024x768 default (although the manual suggests a 75Hz
refresh). In light of this, I would completely remove the "Modes"
section and "UseModes",  "HorizSync" and "VertRefresh" lines from your
xorg.conf and keep the screen size at 1024x768. I would also add the the
line:
    Option "IgnoreEDID" "True"
to the "Device" section to force the driver to ignore this incorrect
edid information.

Now, in the second email, it appears that X is starting properly,
perhaps there is an issue with your wm/desktop. Can you install a
minimal wm (like fluxbox or twm) and put that in your .xinitrc, then run
startx again? Does this bring you to a working desktop?

-Joe


References:
xorg.conf for Mac G4 mini
-- David Friedlander
Re: xorg.conf for Mac G4 mini
-- Joseph Jezak
Re: xorg.conf for Mac G4 mini
-- Joseph Jezak
Re: xorg.conf for Mac G4 mini
-- David Friedlander
Re: xorg.conf for Mac G4 mini
-- Joseph Jezak
Re: xorg.conf for Mac G4 mini
-- David Friedlander
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Updated Oct 31, 2011

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