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Old 10-26-2005, 05:31 AM   #1
DonaldUK
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Registered: Apr 2004
Posts: 95

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external monitor/data projector switching


Hello,

I am using an emachines M5116 laptop (widexcreen 1280x800), with Suse 9.3 (KDE) and and Intel855 GM video card.

The only thing I have to use Windows XP for is making presentations using a data projector. I would like to be able to do this in Linux.

I have installed and tried the following -

i810switch - the data projector display flickers badly and only shows part of the full screen

i855crt - using the command i855crt on rawpipe I get an almost full screen (without the panel at the bottom) and although there is no flickering, the screen is speckling as though the screen is made up of ants frantically crawling on the spot (I don't know how else to describe it I'm afraid).

Can anyone suggest ways of resolving this?

The relevant bits of my Xorg config file are -

Section "Monitor"
Option "CalcAlgorithm" "CheckDesktopGeometry"
DisplaySize 332 207
HorizSync 30-82
Identifier "Monitor[0]"
ModelName "1280X800@75HZ"
Option "DPMS"
VendorName "--> LCD"
VertRefresh 58-75
UseModes "Modes[0]"
EndSection

Section "Monitor"
Option "CalcAlgorithm" "CheckDesktopGeometry"
DisplaySize 320 240
HorizSync 31.5-80
Identifier "Monitor[1]"
ModelName "1024X768@85HZ"
Option "DPMS"
VendorName "--> LCD"
VertRefresh 60-90
UseModes "Modes[1]"
EndSection

Section "Modes"
Identifier "Modes[0]"
Modeline "1280x800" 88.68 1280 1352 1488 1696 800 801 804 830
Modeline "1280x800" 104.35 1280 1360 1496 1712 800 801 804 835
EndSection

#Following modelines got from different online modeline calculators
Section "Modes"
Identifier "Modes[1]"
Modeline "1024x768" 94.5 1024 1072 1168 1376 768 769 772 808 +vsync +hsync
Modeline "1024x768" 97.4 1024 1072 1192 1416 768 768 771 809
Modeline "1024x768" 100.94 1024 1056 1432 1464 768 782 793 807
EndSection

Section "Screen"
DefaultDepth 16
SubSection "Display"
Depth 15
Modes "1280x800"
EndSubSection
SubSection "Display"
Depth 16
Modes "1280x800"
EndSubSection
SubSection "Display"
Depth 24
Modes "1280x800"
EndSubSection
SubSection "Display"
Depth 32
Modes "1280x800"
EndSubSection
SubSection "Display"
Depth 8
Modes "1280x800"
EndSubSection
Device "Device[0]"
Identifier "Screen[0]"
Monitor "Monitor[0]"
EndSection

Section "Screen"
DefaultDepth 16
SubSection "Display"
Depth 15
Modes "1280x800" "1024x768"
EndSubSection
SubSection "Display"
Depth 16
Modes "1280x800" "1024x768"
EndSubSection
SubSection "Display"
Depth 24
Modes "1280x800" "1024x768"
EndSubSection
SubSection "Display"
Depth 32
Modes "1280x800" "1024x768"
EndSubSection
SubSection "Display"
Depth 8
Modes "1280x800" "1024x768"
EndSubSection
Device "Device[0]"
Identifier "Screen[1]"
Monitor "Monitor[1]"
Option "ActiveDevice" "CRT,LCD"
EndSection

Section "Device"
BoardName "855 GM"
BusID "0:2:0"
Driver "i810"
Identifier "Device[0]"
Option "NoDDC"
Screen 0
VendorName "Intel"
EndSection


Any help gratefully appreciated,
Donald
 
  


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