High display resolution (1600x1200) using Intel 945G chipsets and KDE

[H.M. Gladney]

Ref: kubuntu-users Digest, Vol 28, Issue 135  message 5 ("Adjusting screen
resolution?")
In the referenced message I asked about setup for full resolution using a
ViewSonic 20" flat panel display (VX2035) on a new HP Pavilion a6040n
personal computer whose chipset is the Intel 82945G Express Chipset Family.
A couple of replies received were seriously incomplete.  So this note
supplies key solution elements that might interest other readers.
The key thing needed is to adjust the X windows configuration file

/etc/X11/xorg.conf.  An image of the pertinent sections as they work for me
is:
# The parameters in this section were modified by HMG on 1 June 2007
Section "Monitor"
Identifier "Generic Monitor"
Option "DPMS"
HorizSync 30-81
VertRefresh 56-76 
# 1600x1200 @ 60 Hz
Modeline "1600x1200" 162.00 1600 1664 1856 2160 1200 1201 1204 1250 +hsync
+vsync
EndSection

# The entries for "1600x1200" were added by HMG on 1 June 2007
Section "Screen"
Identifier "Default Screen"
Device "Intel Corporation 82945G/GZ Integrated Graphics Controller"
Monitor "Generic Monitor"
DefaultDepth 24 
SubSection "Display"
Depth 1
Modes "1600x1200" "1024x768" "800x600" 
EndSubSection
SubSection "Display"
Depth 4 
Modes "1600x1200" "1024x768" "800x600" 
EndSubSection
SubSection "Display"
Depth 8
Modes "1600x1200" "1024x768" "800x600" 
EndSubSection
SubSection "Display"
Depth 15
Modes "1600x1200" "1024x768" "800x600" 
EndSubSection
SubSection "Display" 
Depth 16
Modes "1600x1200" "1024x768" "800x600" 
EndSubSection
SubSection "Display"
Depth 24
Modes "1600x1200" "1024x768" "800x600" 
EndSubSection
EndSection

This solution was found after rummaging around in xorg shared lists and
xorg.conf documentation.  Specifically helpful were pages at and
http://xorg.freedesktop.org/archive/X11R6.8.0/doc/xorg.conf.5.html and
http://voltaire.nfshost.com/transfer/xorg.conf

Cheerio, Henry
 
H.M. Gladney, Ph.D.  http://home.pacbell.net/hgladney

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