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Old 06-01-2007, 12:55 PM   #1
blurpee
LQ Newbie
 
Registered: Jun 2007
Posts: 1

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cannot set full resolution external laptop monitor


Hi,
I've got a Dell Latitude D400 connected to a docking station PR01X. Fedora (6 or 7) is picking up the correct display adapter the Intel 82852/855GM Integrated Graphics Device. It is not picking up my Westinghouse 20" LCD L2046NV (digital connection). I set to generic LCD 1400x1050. After resetting X, the max resolution that appears is 1280x1024. The laptop while docked, has the external monitor enabled by striking FN F8 to switch between the laptop monitor and external monitor. All configuration was done via gnome's system - administration - display gui.

As a side note - this configuration works on this hardware under XP, so I'm sure it's a driver / xorg.conf configuration issue. I can even enable both monitors simultaneously under XP, which would be the ultimate goal under Fedora. The dual head options I tried in the gui typically would break the X configuration and I'd have to manually go back and change the xorg.conf.

With the 1280x1024 resolution, the monitor is picking up 1400x1050. When I have the correct resolution in XP the monitor shows that it's also 1400x1050 resolution.

Can anyone point me in the correct direction on how to obtain the full resolution (or full resolution and both displays enabled simultaneously)?

Attached is the xorg.conf file.

Many thanks.

---- xorg.conf ---
# Xorg configuration created by system-config-display

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

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

Section "InputDevice"
Identifier "Synaptics"
Driver "synaptics"
Option "Device" "/dev/input/mice"
Option "Protocol" "auto-dev"
Option "Emulate3Buttons" "yes"
Option "LeftEdge" "120"
Option "RightEdge" "830"
Option "TopEdge" "120"
Option "BottomEdge" "650"
Option "FingerLow" "14"
Option "FingerHigh" "15"
Option "MaxTapMove" "110"
Option "VertScrollDelta" "20"
Option "HorizScrollDelta" "20"
Option "MinSpeed" "0.3"
Option "MaxSpeed" "0.75"
EndSection

Section "Monitor"
Identifier "Monitor0"
ModelName "LCD Panel 1400x1050"
HorizSync 31.5 - 90.0
VertRefresh 59.0 - 75.0
Option "dpms"
EndSection

Section "Device"
Identifier "Videocard0"
Driver "i810"
EndSection

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


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