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-   -   Cannot set 1920x1080 resolution on GeForce4 MX 44 AGP8X (http://www.nvnews.net/vbulletin/showthread.php?t=154560)

paulw 08-29-10 02:18 AM

Cannot set 1920x1080 resolution on GeForce4 MX 44 AGP8X
I have installed the Nvidia driver (96.43.18) for my graphics card to get 3D graphics acceleration running Fedora 13. This has worked fine! However...

The maximum resolution that the Nvidia X Server Settings app allows me to set is 1600x1200 - this is not ideal for my widescreen monitor which supports 1920x1080. (ViewSonic VX2433wm). I can get 1920x1080 using the "nv" driver, so it is clearly not a hardware issue.

Here is my xorg.conf - I have tinkered with it a lot with no success, and have restored it back to the original file (more or less).
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 1.0 (buildmeister@builder63) Tue Jul 13 13:32:36 PDT 2010

Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"

Section "Files"
FontPath "/usr/share/fonts/default/Type1"

Section "ServerFlags"
Option "Xinerama" "0"

Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"

Section "InputDevice"
# generated from data in "/etc/sysconfig/keyboard"
Identifier "Keyboard0"
Driver "keyboard"
Option "XkbLayout" "us"
Option "XkbModel" "pc105"

Section "Monitor"
# HorizSync source: edid, VertRefresh source: edid
Identifier "Monitor0"
VendorName "Unknown"
ModelName "ViewSonic VX2433wm"
HorizSync 24.0 - 82.0
VertRefresh 50.0 - 75.0
Option "DPMS"

Section "Device"
Identifier "Videocard0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce4 MX 440 with AGP8X"

Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
Option "metamodes" "1600x1200 +0+0"
SubSection "Display"
Depth 24
Modes "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
I have attached the nvidia bug report.

Any help would be greatly appreciated!


paulw 08-29-10 02:26 AM

Re: Cannot set 1920x1080 resolution on GeForce4 MX 44 AGP8X
The log is too big to attach, and presumable to big to paste (though the error message I get is that it is too small...) I have pasted a small section that might explain my problem.

[ 37.796] (II) NVIDIA(0): Validating Mode "1680x1050":
[ 37.796] (II) NVIDIA(0): 1680 x 1050 @ 60 Hz
[ 37.796] (II) NVIDIA(0): Mode Source: EDID
[ 37.797] (II) NVIDIA(0): Pixel Clock : 146.25 MHz
[ 37.797] (II) NVIDIA(0): HRes, HSyncStart : 1680, 1784
[ 37.797] (II) NVIDIA(0): HSyncEnd, HTotal : 1960, 2240
[ 37.797] (II) NVIDIA(0): VRes, VSyncStart : 1050, 1053
[ 37.797] (II) NVIDIA(0): VSyncEnd, VTotal : 1059, 1089
[ 37.797] (II) NVIDIA(0): H/V Polarity : -/+
[ 37.797] (WW) NVIDIA(0): Mode is rejected: PixelClock (146.2 MHz) too high for
[ 37.797] (WW) NVIDIA(0): Display Device (Max: 135.0 MHz).


paulw 08-29-10 02:50 AM

Re: Cannot set 1920x1080 resolution on GeForce4 MX 44 AGP8X
Finding the relevant section from the "bug-report" led to a google seacrh and now a solution! After HOURS of futzing I finnaly figured it out:

I added:

Option "ModeValidation" "NoMaxPClkCkeck"

to the "Device" section of xorg.conf.

I am now working in 1920x1080!


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