[CentOS] Problems with widescreen (16:9) under CentOS 5 w/ xorg-x11-drv-i810-1.6.5-9.40.el5

Sun Sep 23 10:03:54 UTC 2012
Keith Roberts <keith at karsites.net>

On Sat, 22 Sep 2012, Robert Heller wrote:
*snipped*

> These machine boot off the network and then mount their root (/), /usr,
> and /home file systems via NFS from the server and function otherwise
> as normal workstations.  And they work great with 4:3 monitors.
> Recently, because of new cataloging and circulation software which
> seems to have been designed by (open source) developers who probably
> have new widescreen monitors on their machines, we have put widescreen
> (16:9) monitors on three of the machines (various menus and toolbars
> don't fit on a 4:3 monitor, even at 1280x1024 [19-20" monitor]).  But
> we are having some problems getting the proper aspect ratio (or even a
> display at all) on two of the three.

*snipped*

Hi Rob.

What desktop GUI are these machines using?

Is there some way you get each machine to use it's own 
custom xorg.conf file, that you can tweak for each 
particular machine?

I use this this in my PC running Centos 5.8 32 bit,
and XFCE desktop, to give me a tall virtual screen that I 
can scroll around vertically:

# Xorg configuration created by system-config-display

Section "ServerLayout"
         Identifier     "single head configuration"
         Screen      0  "Screen0" 0 0
         InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "InputDevice"
         Identifier  "Keyboard0"
         Driver      "kbd"
         Option      "XkbModel" "pc105"
         Option      "XkbLayout" "gb"
EndSection

Section "Monitor"
         Identifier   "Monitor0"
         ModelName    "Monitor 1024x768"
         HorizSync    31.5 - 61.0
         VertRefresh  50.0 - 75.0
         Option      "dpms"
EndSection

Section "Device"
         Identifier  "Videocard0"
         Driver      "nv"
EndSection

Section "Screen"
         Identifier "Screen0"
         Device     "Videocard0"
         Monitor    "Monitor0"
         DefaultDepth     24
         SubSection "Display"
                 Viewport   0 0
                 Virtual   800 1800
                 Depth     24
         EndSubSection
EndSection

Kind Regards,

Keith

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