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LostGen
Tux's lil' helper
Tux's lil' helper


Joined: 02 Feb 2005
Posts: 84

PostPosted: Wed May 18, 2005 8:27 pm    Post subject: Fuzzy display? Reply with quote

Inside X the display looks a bit fuzzy and also every few inches horiztally there is a stip of white that runs through the image. The stip is not easy to see but if you look carefully enough you can see it. The monitor is a Dell E171 flat panel display. Here is my xorg.conf.

Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
RgbPath "/usr/lib/X11/rgb"
ModulePath "/usr/lib/modules"
FontPath "/usr/share/fonts/misc/"
FontPath "/usr/share/fonts/TTF/"
FontPath "/usr/share/fonts/Type1/"
FontPath "/usr/share/fonts/CID/"
FontPath "/usr/share/fonts/75dpi/"
FontPath "/usr/share/fonts/100dpi/"
EndSection

Section "Module"
Load "record"
Load "extmod"
Load "dbe"
Load "dri"
Load "glx"
Load "xtrap"
Load "freetype"
Load "type1"
EndSection

Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection

Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5"
EndSection

Section "Monitor"
#DisplaySize 340 270 # mm
Identifier "Monitor0"
VendorName "DEL"
ModelName "DELL E171FPb"
HorizSync 31.0 - 80.0
VertRefresh 56.0 - 75.0
Option "DPMS"
EndSection

Section "Device"
### Available Driver options are:-
### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
### [arg]: arg optional
#Option "NoAccel" # [<bool>]
#Option "SWcursor" # [<bool>]
#Option "Dac6Bit" # [<bool>]
#Option "Dac8Bit" # [<bool>]
#Option "BusType" # [<str>]
#Option "CPPIOMode" # [<bool>]
#Option "CPusecTimeout" # <i>
#Option "AGPMode" # <i>
#Option "AGPFastWrite" # [<bool>]
#Option "AGPSize" # <i>
#Option "GARTSize" # <i>
#Option "RingSize" # <i>
#Option "BufferSize" # <i>
#Option "EnableDepthMoves" # [<bool>]
#Option "EnablePageFlip" # [<bool>]
#Option "NoBackBuffer" # [<bool>]
#Option "DRIReinit" # [<bool>]
#Option "PanelOff" # [<bool>]
#Option "DDCMode" # [<bool>]
#Option "MonitorLayout" # [<str>]
#Option "IgnoreEDID" # [<bool>]
#Option "UseFBDev" # [<bool>]
#Option "VideoKey" # <i>
#Option "MergedFB" # [<bool>]
#Option "CRT2HSync" # [<str>]
#Option "CRT2VRefresh" # [<str>]
#Option "CRT2Position" # [<str>]
#Option "MetaModes" # [<str>]
#Option "MergedDPI" # [<str>]
#Option "NoMergedXinerama" # [<bool>]
#Option "MergedXineramaCRT2IsScreen0" # [<bool>]
#Option "DisplayPriority" # [<str>]
#Option "PanelSize" # [<str>]
#Option "ForceMinDotClock" # <freq>
#Option "RenderAccel" # [<bool>]
#Option "SubPixelOrder" # [<str>]
#Option "ShowCache" # [<bool>]
#Option "DynamicClocks" # [<bool>]
#Option "VGAAccess" # [<bool>]
#Option "LVDSProbePLL" # [<bool>]
#Option "ReverseDDC" # [<bool>]
#Option "BIOSHotkeys" # [<bool>]
Identifier "Card0"
Driver "ati"
VendorName "ATI Technologies Inc"
BoardName "Radeon R300 NE [Radeon 9500 Pro]"
BusID "PCI:1:0:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 16
Modes "1280x1024"
EndSubSection
EndSection
Section

I am guessing there is somthing wrong with my monitor settings, is there a place wehre I can get the defined refresh rates?

Thanks all

LG
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NeddySeagoon
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Joined: 05 Jul 2003
Posts: 54387
Location: 56N 3W

PostPosted: Wed May 18, 2005 8:32 pm    Post subject: Reply with quote

LostGen,

If you comment out these lines
Code:
HorizSync 31.0 - 80.0
VertRefresh 56.0 - 75.0
the display and graphics card will autonegiotiate whats best (or try to). Look in /var/log/Xorg.0.log to see whats happening. The autonegiotion is called EDID, so any line that mention EDID are intersting in that respect.
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Regards,

NeddySeagoon

Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
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LostGen
Tux's lil' helper
Tux's lil' helper


Joined: 02 Feb 2005
Posts: 84

PostPosted: Wed May 18, 2005 8:37 pm    Post subject: Reply with quote

Excellent I will give it a shot and let you know what happens.

Thanks for the quick response!

LG
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