Re: [opensuse] Nvidia vs ATI [OT: Sandy Bridge]

On 2011/07/21 08:43 (GMT+0300) Stan Goodman composed:

Felix Miata wrote:

openSUSE list admins don't object to certain attachments, Xorg.0.log
among them. Go for it.

I went for it. It is attached.

(Next time, attach it inline, so that it can be read in all email apps without having to save to disk first. If you can't attach inline, change its name to something ending in .txt before attaching.)

Xorg.0.log has no EDID block, which means it's missing or broken.

So, in /etc/X11/xorg.conf.d/:

In 50-monitor.conf you need to try the following as 100% of the content (instead of the original file):
Section "Monitor"
Identifier "Default Monitor"
VertRefresh 30-80
Option "TargetRefreshRate" "60"
Option "DDC" "off"
Option "DefaultModes" "on"
Option "PreferredMode" "1280x1024"
EndSection

In 50-device.conf you need as 100% of the content the following:
Section "Device"
Identifier "Default Device"
EndSection

In 50-screen.conf you need as 100% of the content the following:
Section "Screen"
Identifier "Default Screen"
Device "Default Device"
Monitor "Default Monitor"
EndSection

Simply removing particular comment marks from the latter two files is probably easier than cut and paste from email, removing 3 from the former, 5 from the latter.

Those files' changes, to make up for bogus or missing EDID, should get you 1280x1024 @60 refresh, as long as /etc/X11/xorg.conf does not exist.

Before you do any of this config file futzing, be sure both ends of the VGA cable are secure, and try swapping end for end, and/or another cable. A bad cable connection or cable can make EDID fail, as can a defective motherboard VGA connector, and probably also the motherboard's video BIOS. Do you have any live CDs or DVDs you can boot to see if they get 1280x1024 without any fuss?

If you lose keyboard and/or mouse by making those changes, 10-evdev.conf and/or 90-keytable.conf in xorg.conf.d/ may need tweaking, but let's not address how unless necessary.
--
"The wise are known for their understanding, and pleasant
words are persuasive." Proverbs 16:21 (New Living Translation)

Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata *** http://fm.no-ip.com/
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