[Cialug] xorg.conf issues

[Nathan C. Smith]

Can you throttle back the image side using ctrl-+ or ctrl-- ? 

You probably know this, but out of range means a frequency can't be matched
between the display card and display device.

There are a lot of mode calculators on the internet that can help you find
the right modeline for your x.org configuration file.  You will need to know
the frequency specs of the monitor for that.

Also, xdpyinfo is handy for knowing what you have once you have it running.

-Nate

> -----Original Message-----
> From: Tony Bibbs [mailto:tony at tonybibbs.com] 
> Sent: Tuesday, November 07, 2006 9:32 AM
> To: Central Iowa Linux Users Group
> Subject: [Cialug] xorg.conf issues
> 
> 
> I have a Compaq n620c laptop.  The LCD can only do 1024x768 
> while when 
> hooked up to the Gateway VX1100 monitor it can do better than 
> 1280x1024. 
>    This works as one might expect under Windows XP.
> 
> I'm now trying to dual boot Kubuntu and for the life of me I 
> can't get 
> the thing to run under 1280x1024.  The X log gives me something about 
> mode 1280x1024 out of range using both the ATI and Radeon 
> drivers for my 
> ATI Mobility LW 7500.  I'm suspecting that this issue is probably a 
> problem with generally poor support for that particular 
> chipset but I'm 
> hoping one of you can prove me wrong.
> 
> Where should I start troubleshooting?  Do I need to use the mergedFB 
> option somehow?
> 
> --Tony
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