[Cialug] xorg.conf issues

[Jeffrey C. Ollie]

Hmm... I thought that the ATI drivers in X.Org were pretty decent.  I
have a recent HP nc8230 with the wide screen (1680x1050) and a ATI
Radeon Mobility X600 (M24) and I get decent 3D performance using X.Org
7.1.  I haven't messed much with running a second monitor though.  From
what I've read though you may need to do some manual editing of the
X.Org config file.  The X.Org autodetection and the GUI config tools
don't seem to deal well with multiple monitors.

On Tue, 2006-11-14 at 09:17 -0600, Tony Bibbs wrote:
> This almost works perfectly.  I was in 1280x1024 but I noticed for that 
> to work it was using the vesa driver.  Now I have no problem with using 
> vesa if I can get it to work.  The problem now is that moving windows or 
> scrolling causes the screen to redraw.  Are there options that might 
> help eliminate this?
> 
> On a different note, when the lease is up on this laptop I will go 
> through great lengths to avoid ATI.  Now if I could only get someone to 
> explain why this laptop is on a long, four year lease (sigh).
> 
> --Tony
> 
> Matthew Nuzum wrote:
> > Tony Bibbs wrote:
> >> 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?
> >>
> > 
> > I noticed in my xorg.conf file yesterday that even though everything
> > worked, the config was still somewhat generic.
> > 
> > One good way to get a better config is to drop to a command prompt and
> > kill (in my case) gdm (not sure what kubuntu uses) via Ctl + Alt + F1,
> > then login and sudo /etc/init.d/gdm stop
> > 
> > Then run sudo dpkg-reconfigure xserver-xorg
> > 
> > That will prompt you through the good ol' fashioned x config dialogs
> > where you can enter specific information for the monitor. However, you
> > may not have to, because I simply chose the option to let it probe my
> > monitor and it came up with better settings than when I did the install.
> > 
> > Make sure to backup /etc/X11/xorg.conf so you can compare before and
> > after. You may even want to print out some of the settings from your
> > xorg.conf so that you refer to them during the x config prompts.
> > 
> > I was doing this in order to get better control of my synaptic touch pad
> > on the laptop. The Ubuntu installation chooses settings that, while
> > safe, make using the touch pad a pain. Now I have my scroll region back
> > and have control over tap to click (which I hate). Since its fresh in my
> > mind, and in case others may have this problem, here's what I used:
> > 
> > Section "InputDevice"
> >         Identifier      "Synaptics Touchpad"
> >         Driver          "synaptics"
> >         Option          "SendCoreEvents"        "true"
> >         Option          "Device"                "/dev/psaux"
> >         Option          "Protocol"              "auto-dev"
> >         Option          "HorizScrollDelta"      "0"
> >         Option          "SHMConfig"             "true"
> > EndSection
> > 
> > The SHMConfig option lets gsynatpics configure the settings for me.
> > 
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