Video interference & slow running solved but...

Bill Davidsen davidsen at
Wed Feb 27 20:41:43 UTC 2008

Frank Cox wrote:
> I seem to have solved a problem and created a new one.
> I got an ATI X1550 video card and set that up to use the DVI output to my
> monitor instead of the analog VGA that I had off of the built-in Intel video.
> To my surprise, that seems to have got around the issue of that Intel bios bug
> causing the huge slowdown on this computer (see the "s-l-o-w installation"
> thread that I started the other day. I don't need to specify any "mem=" kernel
> parameter any more; it just works at full speed without any problem.
> In addition, this seems to have solved the problem of the interference lines on
> my display -- I haven't seen one so far since I put this card in.
> However...
> I can't manage to get 1680x1050 video resolution.  "Out-of-the-box" I got
> 1400x1050, which looks squashed.  I tried fiddling around with xorg.conf by
> specifying the modeline and resolution that I want.  This is what I ended up
> with:

Did you try selecting system->preferences->screen_resolution and looking 
at what was available there? I have had good luck using that rather than 
depending on hand editing or anything automatic being right. I have no 
idea where the list is generated, I'm just happy that it had what I 
needed when I looked.

Editing files and xvidtune... don't miss it.

Bill Davidsen <davidsen at>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot

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