[SATLUG] Need more resolution choices

Borries Demeler demeler at biochem.uthscsa.edu
Sun Aug 31 19:12:48 CDT 2008


Maybe you need to adjust a few options in your xorg.conf file to match
you specific keyboard/touchpad/mouse environment to get it right, but
most of all, I would like to know if you got the x resolution higher?

-b.
> 
> Here is what happened:
> 
> 080831 notes
> Attempted to carry out Borries' suggestions of 8/29:
> 
> I opened /etc/X11/xorg.conf in Emacs. I pasted in the entire contents of 
> the example file found at
> 
> http://www.arl.wustl.edu/~mgeorg/linuxOnLaptop/xorg.conf.html
> 
> I then deleted the entire contents of the original xorg.conf. I made the 
> specified changes to the graphics device section, but I didn't adjust 
> "HorizSync" and "VertRefresh" because I have no idea what to put in for 
> my monitor, and old Dell CRT job. Then I saved the thing, exited Emacs, 
> and ran cat xorg.conf, which looked OK.
> 
> I changed /boot/grub/menu.lst as follows"
> 
> title Ubuntu 8.04.1, kernel 2.6.24-19-generic
> root (hd1,0)
> kernel /boot/vmlinuz-2.6.24-19-generic 
> root=UUID=47468e9a-fedb-46b7-9985-eb1c1cc30df4 ro quiet splash vga=792
> initrd /boot/initrd.img-2.6.24-19-generic
> quiet
> 
> I rebooted and had no mouse.
> 
> Ctrl-Delete,Ctrl-Delete got me the exit options but the keyboard 
> commands didn't work. Reset and used the recovery mode to get back in 
> business (I used the "fix X" and "fix broken files" options.
> 
> Borries Demeler wrote:
> > Andy,
> >
> > it looks like your xorg file is not configured at all. according to the 
> > instructions in the manual you should be able to use the generic VESA
> > driver from xorg with this card. 
> >
> > I googled for an example xorg file that uses vesa driver, and you can
> > find an example at:
> >
> > http://www.arl.wustl.edu/~mgeorg/linuxOnLaptop/xorg.conf.html
> >
> > Replace your xorg.conf file with this one, but make some changes:
> >
> > Under "Device" section, uncomment:
> >
> >    #Identifier  "VESA Framebuffer"
> >     #Driver      "vesa"
> >
> > and comment out:
> >      Identifier   "GeForce FX"
> >     Driver       "nvidia"
> >
> > You "Device" section should look like this:
> >
> > Section "Device"
> >     Identifier  "VESA Framebuffer"
> >     Driver      "vesa"
> > EndSection
> >
> > Then it should work. I assume the vesa driver is already installed.
> > Then you need to pick the right "vga=nnn" number in your lilo or grub
> > config file and rerun lilo or grub, reboot, and it should work
> >
> > See section 3. of the PDF file you sent us the link for, it lists
> > the correct "nnn" numbers to use for certain resolutions. I'd try
> > 795 or 792 first to see if they work.
> >
> > Also adjust "HorizSync   31.5 - 50.0" and "VertRefresh 40-90"
> > to match your monitor.
> >
> > Let us know if this works.
> >
> > -b.
> >   
> >> "do you know for sure that you are using the correct video card driver in
> >> your xorg file? "
> >>
> >> No, I'm pretty sure I do not.  
> >>
> >> "sudo lspci
> >>
> >> 'should show you a list of hardware and identify the video card."
> >>
> >> It says:
> >> "01:00.0 VGA compatible controller: VIA Technologies, Inc. K8M890 
> >> [Chrome9] Integrated Video (rev 11)"
> >>
> >> I went to the via website, and they do offer Linux drivers. at VIA 
> >> <http://www.viaarena.com/default.aspx?PageID=420&OSID=45&CatID=3220&SubCatID=182> 
> >> I couldn't find a real match, but downloaded one that mentioned 
> >> "Chrome9." It came with eight pages of instructions, which I put aside, 
> >> for now. The doc title is: "Debian 4.0, Fedora Core 7, Mandriva 2007.1 
> >> and Ubuntu 7.04, UniChrome/Chrome 9HC Integ."
> >>
> >> Here is the whole xorg.conf file:
> >>
> >> # xorg.conf (X.Org X Window System server configuration file)
> >> #
> >> # This file was generated by dexconf, the Debian X Configuration tool, using
> >> # values from the debconf database.
> >> #
> >> # Edit this file with caution, and see the xorg.conf manual page.
> >> # (Type "man xorg.conf" at the shell prompt.)
> >> #
> >> # This file is automatically updated on xserver-xorg package upgrades *only*
> >> # if it has not been modified since the last upgrade of the xserver-xorg
> >> # package.
> >> #
> >> # If you have edited this file but would like it to be automatically updated
> >> # again, run the following command:
> >> # sudo dpkg-reconfigure -phigh xserver-xorg
> >>
> >> Section "InputDevice"
> >> Identifier "Generic Keyboard"
> >> Driver "kbd"
> >> Option "XkbRules" "xorg"
> >> Option "XkbModel" "pc105"
> >> Option "XkbLayout" "us"
> >> EndSection
> >>
> >> Section "InputDevice"
> >> Identifier "Configured Mouse"
> >> Driver "mouse"
> >> Option "CorePointer"
> >> EndSection
> >>
> >> Section "Device"
> >> Identifier "Configured Video Device"
> >> EndSection
> >>
> >> Section "Monitor"
> >> Identifier "Configured Monitor"
> >>
> >> EndSection
> >>
> >> Section "Screen"
> >> Identifier "Default Screen"
> >> Monitor "Configured Monitor"
> >> Device "Configured Video Device"
> >> EndSection
> >>
> >> Section "ServerLayout"
> >> Identifier "Default Layout"
> >> Screen "Default Screen"
> >> EndSection
> >>
> >> (I assume that I can't make attachments to these e-mails.)
> >>
> >> Thanks to everyone. I ask for guidance, and, by golly, I got enough to 
> >> make me spin for a while.
> >>
> >> Andy
> >>
> >>
> >>
> >> Borries Demeler wrote:
> >>     
> >>>> I pasted the above output in /etc/X11/xorg.conf "monitor" section.  
> >>>> Restart. No effect.
> >>>> Moved to it end of "Screen" section.  Restarted.  Low graphics.  More 
> >>>> choices, none above 800x600.  Most with 0 refresh.  Also, there was a 
> >>>> message: "Your screen and graphics card could not be detected correctly."
> >>>>     
> >>>>         
> >>> Andy,
> >>>
> >>> do you know for sure that you are using the correct video card driver in
> >>> your xorg file? 
> >>>
> >>> sudo lspci
> >>>
> >>> should show you a list of hardware and identify the video card.
> >>>
> >>> mine shows:
> >>>
> >>> 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility X1400
> >>>
> >>> Then I would go to the website of the manufacturer and see if they
> >>> make a Linux driver for the card and install it. Some, like nvidia 
> >>> come with nice linux GUI configuration programs that you can use to
> >>> set your resolution.
> >>>
> >>> In my experience there are several drivers that will give you X, but sometimes
> >>> only the right driver will give you the highest resolution the card is capable
> >>> of (and the highest color depth). Most modern cards have the ability to do 
> >>> 1600x1200 at 24 bit. Tell us the lspci line and the driver you are using,
> >>> you can find it in 
> >>>
> >>> Section "Device"
> >>> 	Driver "mydriver"
> >>>
> >>> in your /etc/X11/xorg.conf file.
> >>>
> >>> Let us know what you got and we can check to see if this is a good match.
> >>>
> >>> -borries
> >>>
> >>>
> >>>   
> >>>       
> >>>> There are three other xorg.cong files (.1,.2,.3). They all look pretty 
> >>>> much the same.  The man refers to xorg.conf(5), but I haven't found 
> >>>> anything on that.  Also, there is a lot of what I do in find "man" that 
> >>>> I don't understand.
> >>>>
> >>>> Andy Pickens
> >>>>
> >>>>
> >>>> Andrew Pickens wrote:
> >>>>     
> >>>>         
> >>>>> Thanks.  I've spent a lot of time sifting thru the forms, with no 
> >>>>> luck, so far.
> >>>>>
> >>>>> Andy
> >>>>>
> >>>>> pixelnate at gmail.com wrote:
> >>>>>       
> >>>>>           
> >>>>>> On Wed, 2008-08-27 at 17:57 -0500, Andrew Pickens wrote:
> >>>>>>  
> >>>>>>         
> >>>>>>             
> >>>>>>> I'm using 32-bit Ubuntu 8.04.  I can change the resolution in 
> >>>>>>> System, Preferences, Screen Resolution, but only 800x600 and 640x480 
> >>>>>>> are offered. Can someone tell me how to increase these resolution 
> >>>>>>> choices, please?
> >>>>>>>     
> >>>>>>>           
> >>>>>>>               
> >>>>>> Sounds like your monitor wasn't detected properly. You'll need to figure
> >>>>>> out the horizontal and vertical ranges of frequencies and add those to
> >>>>>> your xorg.conf file. You'll also need to add your target resolutions
> >>>>>> further down where all the other resolutions are listed. You could
> >>>>>> probably find exact instructions somewhere on the ubuntu forums. This
> >>>>>> question has been asked 1,000,000 + 1 times there. You might even find
> >>>>>> the exact info for your monitor as well.
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> ~Nate
> >>>>>>
> >>>>>>   
> >>>>>>         
> >>>>>>             
> >>>> -- 
> >>>> _______________________________________________
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> >>>>
> >>>>     
> >>>>         
> >>>   
> >>>       
> >> -- 
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> >>
> >>     
> >
> >   
> -- 
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