If I use "system-config-display" or "system-config-display --reconfig" although I get a message that I need to log out of GNOME, to have the new file written, for new Display Resolution, logging out or restarting the box does not result in the new settings for the Display taking hold. Sometimes, the number of colors is updated, but *never* the Resolution. Below is my xorg.conf file. What do I need to include in xorg.conf for the resolution to be 1280 x 1024 instead of the current 1600 x 1200? Display is a Dell M991 and the Video Card is shown as Nvidia NV11 (GeForce2 MX/MX400). CentOS 5.2 (32 bit) fully updated. TIA!
# Xorg configuration created by system-config-display
Section "ServerLayout" Identifier "single head configuration" Screen 0 "Screen0" 0 0 InputDevice "Keyboard0" "CoreKeyboard" EndSection
Section "InputDevice" Identifier "Keyboard0" Driver "kbd" Option "XkbModel" "pc105" Option "XkbLayout" "us" EndSection
Section "Device" Identifier "Videocard0" Driver "nv" EndSection
Section "Screen" Identifier "Screen0" Device "Videocard0" DefaultDepth 16 SubSection "Display" Viewport 0 0 Depth 24 EndSubSection SubSection "Display" Viewport 0 0 Depth 16 Modes "1600x1200" "1600x1024" "1440x900" "1400x1050" "1280x1024" "1280x1024" "1280x960" "1280x960" "1280x800" "1280x800" "1152x864" "1152x864" "1152x768" "1152x768" "1024x768" "1024x768" "800x600" "800x600" "640x480" "640x480" EndSubSection EndSection
From: Lanny Marcus lmmailinglists@gmail.com
... What do I need to include in xorg.conf for the resolution to be 1280 x 1024 instead of the current 1600 x 1200? Display is a Dell M991 and the Video Card is shown as Nvidia NV11 (GeForce2 MX/MX400). CentOS 5.2 (32 bit) fully updated. TIA! Modes "1600x1200" "1600x1024" "1440x900" "1400x1050" "1280x1024" "1280x1024" "1280x960" "1280x960" "1280x800" "1280x800" "1152x864" "1152x864" "1152x768" "1152x768" "1024x768" "1024x768" "800x600" "800x600" "640x480" "640x480"
Maybe remove these? "1600x1200" "1600x1024" "1440x900" "1400x1050"
JD
On Fri, 2009-01-30 at 09:23 -0500, Lanny Marcus wrote:
If I use "system-config-display" or "system-config-display --reconfig" although I get a message that I need to log out of GNOME, to have the new file written, for new Display Resolution, logging out or restarting the box does not result in the new settings for the Display taking hold. Sometimes, the number of colors is updated, but *never*
I always "telinit 3", go to a VC as root (<CTL>-<ALT>-<F1>) and run system-config-display (w/o --reconfig) after saving a copy of xorg.conf. Then "telinit 5" and IWFM.
the Resolution. Below is my xorg.conf file. What do I need to include in xorg.conf for the resolution to be 1280 x 1024 instead of the current 1600 x 1200? Display is a Dell M991 and the Video Card is shown as Nvidia NV11 (GeForce2 MX/MX400). CentOS 5.2 (32 bit) fully updated. TIA!
Edit the "modes" line below and cut out the stuff you don't want. Also keep in mind that the modes line applies only to the subsection which contains it. You need to duplicate in each subsection.
# Xorg configuration created by system-config-display
Section "ServerLayout" Identifier "single head configuration" Screen 0 "Screen0" 0 0 InputDevice "Keyboard0" "CoreKeyboard" EndSection
Section "InputDevice" Identifier "Keyboard0" Driver "kbd" Option "XkbModel" "pc105" Option "XkbLayout" "us" EndSection
Section "Device" Identifier "Videocard0" Driver "nv" EndSection
Section "Screen" Identifier "Screen0" Device "Videocard0" DefaultDepth 16 SubSection "Display" Viewport 0 0 Depth 24 EndSubSection SubSection "Display" Viewport 0 0 Depth 16 Modes "1600x1200" "1600x1024" "1440x900" "1400x1050" "1280x1024" "1280x1024" "1280x960" "1280x960" "1280x800" "1280x800" "1152x864" "1152x864" "1152x768" "1152x768" "1024x768" "1024x768" "800x600" "800x600" "640x480" "640x480" EndSubSection EndSection
<snip sig stuff>
HTH
On Fri, Jan 30, 2009 at 8:23 AM, Lanny Marcus lmmailinglists@gmail.com wrote:
If I use "system-config-display" or "system-config-display --reconfig" although I get a message that I need to log out of GNOME, to have the new file written, for new Display Resolution, logging out or restarting the box does not result in the new settings for the Display taking hold. Sometimes, the number of colors is updated, but *never* the Resolution. Below is my xorg.conf file. What do I need to include in xorg.conf for the resolution to be 1280 x 1024 instead of the current 1600 x 1200? Display is a Dell M991 and the Video Card is shown as Nvidia NV11 (GeForce2 MX/MX400). CentOS 5.2 (32 bit) fully updated. TIA!
The "nv" driver is not very good. From your writeup, it is not apparent if you ever get the resolution you want. If it never works, I suspect you are up against the limitations of nv itself. On my systems, it is really really limited, plus there is no 3D support. If you are willing to use the proprietary (but free of cost) Nvidia driver (http://www.nvidia.com), you will likely be happier. It includes a GUI settings thing called nvidia-settings and it also supports xrandr.
The nvidia driver has a long README file and in my experience it is one of the better manuals for no-cost software.
I have *not* found an up to date RPM for the nvidia driver for Centos, and so it appears to me the only feasible route is to run the script installer on www.nvidia.com. That's bad because it steps on some files you might want back later. One main purpose of rpm.livna.org was to keep up to date on the rpms for nvidia, but it appears to me that the transition to the rpmfusion network has let some things fall through. Last I checked, rpmfusion was a few editions behind on the nvidia driver, even for Fedora linux, and they were never very interested in helping Centos/RedHat. (I keep thinking I built an nvidia RPM myself, but I can't find it today).
However you install it, that nvidia comes with a program 'nvidia-settings' and that helps quite a bit to see what you are up against. It is like system-config-display, sorta, except that it does not look like crap and it actually lets you see settings and information on the system.
I've not had the trouble you report that system-config-display refuses to do anything while logged in, incidentally, but that is pretty easy to fix. You can google for "boot into runlevel 3" or other ways of getting to a "virtual terminal" after turning off the X display (in the old days, it was /sbin/telinit 3 as root would close X entirely. Maybe Alt-Control-F2 (any F1 through F7 is OK on Centos).
You may not need to do any fancy customization to get nvidia to work. Just change the xorg.conf to replace "nv" with "nvidia". nvidia requires a kernel module, and that has to be rebuilt when the kernel is updated. On the Fedora systems here, I think the dkms framework is used to automatically build that kernel module when a new kernel starts.
Right now I'm using an Ubuntu machine (because RedHat/Centos lag too far behind the software curve for me to do my development work), but i believe the xorg.conf I'm attaching would work on a Centos system that has the nvidia driver. I want a resolution of 1400x1050, which I can get with the windows nvidia driver on the same laptop, so I know it is possible. However, that mode is lacking from the linux side. So it is necessary for me to stop the card from guessing EDID frequencies of the laptop display, and I have to create modelines that allow the card to show the resolution I want.
If you keep fiddling with settings and you find your resolution is always "stuck" where you do not want it, then it means that your video card is looking at the EDID frequencies of your display and refusing to send the signal you want.
Sorry, didn't mean to start writing a book. I've wrestled with these so long that it is starting to seem like i should make a career out of it.
pj
# Xorg configuration created by system-config-display
Section "ServerLayout" Identifier "single head configuration" Screen 0 "Screen0" 0 0 InputDevice "Keyboard0" "CoreKeyboard" EndSection
Section "InputDevice" Identifier "Keyboard0" Driver "kbd" Option "XkbModel" "pc105" Option "XkbLayout" "us" EndSection
Section "Device" Identifier "Videocard0" Driver "nv" EndSection
Section "Screen" Identifier "Screen0" Device "Videocard0" DefaultDepth 16 SubSection "Display" Viewport 0 0 Depth 24 EndSubSection SubSection "Display" Viewport 0 0 Depth 16 Modes "1600x1200" "1600x1024" "1440x900" "1400x1050" "1280x1024" "1280x1024" "1280x960" "1280x960" "1280x800" "1280x800" "1152x864" "1152x864" "1152x768" "1152x768" "1024x768" "1024x768" "800x600" "800x600" "640x480" "640x480" EndSubSection EndSection _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
On Mon, Feb 2, 2009 at 9:35 AM, Paul Johnson pauljohn32@gmail.com wrote:
On Fri, Jan 30, 2009 at 8:23 AM, Lanny Marcus lmmailinglists@gmail.com wrote:
If I use "system-config-display" or "system-config-display --reconfig"
:::
shown as Nvidia NV11 (GeForce2 MX/MX400). CentOS 5.2 (32 bit) fully updated. TIA!
:
The nvidia driver has a long README file and in my experience it is one of the better manuals for no-cost software.
I have *not* found an up to date RPM for the nvidia driver for Centos,
The one at rpmforge works just fine, includes dkms support and, although not the latest and greatest, I have not found a compelling reason to use the direct nvidia-supplied driver (which does NOT contain dkms support) instead of the rpmforge driver.
JMNSHO - HTH
mhr
On Mon, Feb 2, 2009 at 6:49 PM, MHR mhullrich@gmail.com wrote:
On Mon, Feb 2, 2009 at 9:35 AM, Paul Johnson pauljohn32@gmail.com wrote:
On Fri, Jan 30, 2009 at 8:23 AM, Lanny Marcus lmmailinglists@gmail.com wrote:
If I use "system-config-display" or "system-config-display --reconfig"
:::
shown as Nvidia NV11 (GeForce2 MX/MX400). CentOS 5.2 (32 bit) fully updated. TIA!
The nvidia driver has a long README file and in my experience it is one of the better manuals for no-cost software.
I have *not* found an up to date RPM for the nvidia driver for Centos,
The one at rpmforge works just fine, includes dkms support and, although not the latest and greatest, I have not found a compelling reason to use the direct nvidia-supplied driver (which does NOT contain dkms support) instead of the rpmforge driver.
Mark: Thank you for that information. Also much appreciated! I will check it out. Lanny
On Mon, Feb 2, 2009 at 12:35 PM, Paul Johnson pauljohn32@gmail.com wrote:
On Fri, Jan 30, 2009 at 8:23 AM, Lanny Marcus lmmailinglists@gmail.com wrote:
If I use "system-config-display" or "system-config-display --reconfig" although I get a message that I need to log out of GNOME, to have the new file written, for new Display Resolution, logging out or restarting the box does not result in the new settings for the Display taking hold. Sometimes, the number of colors is updated, but *never* the Resolution. Below is my xorg.conf file. What do I need to include in xorg.conf for the resolution to be 1280 x 1024 instead of the current 1600 x 1200? Display is a Dell M991 and the Video Card is shown as Nvidia NV11 (GeForce2 MX/MX400). CentOS 5.2 (32 bit) fully updated. TIA!
The "nv" driver is not very good. From your writeup, it is not apparent if you ever get the resolution you want. If it never works, I suspect you are up against the limitations of nv itself. On my systems, it is really really limited, plus there is no 3D support. If you are willing to use the proprietary (but free of cost) Nvidia driver (http://www.nvidia.com), you will likely be happier.
<snip> Paul: Thank you, for the long and detailed reply! I am going to verify that system-config-display does work properly, on my box (which has integrated Intel video on the mobo), just to be sure the problem is the nv driver. The other box was mine, but it's now my 8 year old daughters. I seem to recall having this problem, before I gave it to her. Probably that was 2 or 3 years ago. Lanny
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