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Worked on this for the past... oh 3 hours or so with no success.
My monitor is a new Samsung flatpanel that had 75 Hz in windows, under Gnome it's only giving me 59.
I have the nvidia drivers installed right, I know that.
nvidia-settings -q RefreshRate
Attribute 'RefreshRate' (negativefps:0.0; display device: DFP-0): 59.89 Hz.
'RefreshRate' is an integer attribute.
'RefreshRate' is a read-only attribute.
'RefreshRate' is display device specific.
'RefreshRate' can use the following target types: X Screen, GPU.
Here is my xorg.conf:
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder3) Thu Feb 14 18:20:37 PST 2008
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
RgbPath "/usr/share/X11/rgb"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/TTF"
FontPath "/usr/share/fonts/Type1"
EndSection
Section "Module"
Load "ddc"
Load "glx"
Load "extmod"
Load "xtrap"
Load "record"
Load "dbe"
Load "freetype"
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 6 7"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
EndSection
Section "Device"
Identifier "Card0"
Driver "nvidia"
VendorName "nVidia Corporation"
BoardName "Unknown Board"
Option "UseEdidDpi" "false"
Option "DPI" "96 x 96"
Option "RenderAccel" "True"
Option "DamageEvents" "True"
Option "AllowGLXWithComposite" "True"
Option "AddARGBGLXVisuals" "True"
Option "TripleBuffer" "True"
Option "BackingStore" "True"
Option "ConnectedMonitor" "DFP"
Option "NoLogo" "True"
Option "AllowDDCCI" "True"
Option "UseEdidFreqs" "True"
Option "UseEDID" "True"
Option "UseDidFreqs" "True"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1440x900"
EndSubSection
EndSection
Section "Extensions"
Option "Composite" "Enable"
EndSection
The removal of the edid options and others don't make a difference. It was stuck at 59 from the very beginning when I installed AL just today. I gradually added options and none helped.
How can I truely enable edid? It just doesn't seem to want to utilize it no matter what.
Last edited by NegativeFPS (2008-04-18 04:14:04)
Big Linux Noob
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Forget about EDID and add this line to your "Monitor" section:
VertRefresh 60.0-75.0
Xorg will now try to run your Monitor at 75Hz, unless the nvidia driver can't do so (which I doubt).
BTW, LCDs are comfortable at 60Hz and 75Hz and the human eye usually will not notice a difference. Your 59Hz is probably a rounding error, for if it weren't the LCD would display nothing. So this is actually a vanity project
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Forget about EDID and add this line to your "Monitor" section:
VertRefresh 60.0-75.0
Xorg will now try to run your Monitor at 75Hz, unless the nvidia driver can't do so (which I doubt).
BTW, LCDs are comfortable at 60Hz and 75Hz and the human eye usually will not notice a difference. Your 59Hz is probably a rounding error, for if it weren't the LCD would display nothing. So this is actually a vanity project
I actually added this last night before I went to bed. Again, no change (I only specified 75, not 60-75). I notice a big difference between 60 and 75. It hurts my eyes a lot more at the current refresh rate, while it was smooth with 75 on Windows
Current xorg.conf
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder3) Thu Feb 14 18:20:37 PST 2008
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
RgbPath "/usr/share/X11/rgb"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/TTF"
FontPath "/usr/share/fonts/Type1"
EndSection
Section "Module"
Load "glx"
Load "extmod"
Load "xtrap"
Load "record"
Load "dbe"
Load "freetype"
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 6 7"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
HorizSync 30.0 - 81.0
VertRefresh 75.0
EndSection
Section "Device"
Identifier "Card0"
Driver "nvidia"
VendorName "nVidia Corporation"
BoardName "Unknown Board"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
Option "UseEdidDpi" "false"
Option "DPI" "96 x 96"
Option "RenderAccel" "True"
Option "DamageEvents" "True"
Option "AllowGLXWithComposite" "True"
Option "AddARGBGLXVisuals" "True"
Option "TripleBuffer" "True"
Option "BackingStore" "True"
Option "ConnectedMonitor" "DFP"
Option "NoLogo" "True"
Option "TwinView" "False"
SubSection "Display"
Viewport 0 0
Modes "1440x900"
EndSubSection
EndSection
Section "Extensions"
Option "Composite" "Enable"
EndSection
Last edited by NegativeFPS (2008-04-18 22:55:32)
Big Linux Noob
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I notice a big difference between 60 and 75. It hurts my eyes a lot more at the current refresh rate, while it was smooth with 75 on Windows
I agree with you about that, I also see a big difference between the 60 and 75 Hz refresh rate of my screen. It is highly more comfortable for the eyes at the 75 Hz nominal rate.
Now some suggestions you could try to get that refresh rate :
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
HorizSync 30.0 - 81.0
#VertRefresh 75.0
VertRefresh 60.0- 76.0
EndSectionSection "Device"
Identifier "Card0"
Driver "nvidia"
VendorName "nVidia Corporation"
BoardName "Unknown Board"
EndSectionSection "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
Option "UseEdidFreqs" "false"
Option "UseEdidDpi" "false"
Option "DPI" "96 x 96"
Option "RenderAccel" "True"
Option "DamageEvents" "True"
Option "AllowGLXWithComposite" "True"
Option "AddARGBGLXVisuals" "True"
Option "TripleBuffer" "True"
Option "BackingStore" "True"
Option "ConnectedMonitor" "DFP"
Option "NoLogo" "True"
Option "TwinView" "False"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1440x900"
EndSubSection
EndSectionSection "Extensions"
Option "Composite" "Enable"
EndSection
For my screen I have to give the 76 Hz value for the vertical refresh rate, because it is a little higher than 75 Hz.
Last edited by berbae (2008-04-19 09:34:26)
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No change =/
Big Linux Noob
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New xorg.conf:
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder3) Thu Feb 14 18:20:37 PST 2008
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
RgbPath "/usr/share/X11/rgb"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/TTF"
FontPath "/usr/share/fonts/Type1"
EndSection
Section "Module"
Load "glx"
Load "extmod"
Load "xtrap"
Load "record"
Load "dbe"
Load "freetype"
EndSection
Section "ServerFlags"
Option "Xinerama" "0"
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 6 7"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Samsung SyncMaster"
HorizSync 30.0 - 81.0
VertRefresh 56.0 - 75.0
Option "DPMS"
EndSection
Section "Device"
Identifier "Videocard0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 8800 GT"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
Option "DPI" "96 x 96"
Option "DamageEvents" "True"
Option "NvAGP" "0"
Option "NoLogo" "True"
Option "metamodes" "1440x900_75 +0+0; 1440x900 +0+0"
Option "DynamicTwinView" "False"
SubSection "Display"
Depth 24
EndSubSection
EndSection
Section "Extensions"
Option "Composite" "Enable"
EndSection
still 59hz.. grr
Big Linux Noob
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I know this is an old thread but I'm having this same issue. Anyone find a fix yet? Refresh is stuck at 59.89. I'm sure its the reason I've had headaches the past couple of days.
Last edited by pharcyde (2009-05-20 01:38:27)
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