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Old 03-20-2007, 06:09 PM   #1
JRR883
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Unable to get 1440x900 resolution after install of fglrx drivers


I'm on Ubuntu Edgy and I installed the official ATi drivers (v8.34.8). After some difficulty, I got it working. However, with the stock Ubuntu ATi drivers I was able to get my monitor's highest resolution, 1440x900. Now my only options in gnome-display-properties are 1024x768 and 640x480. I have the refresh rates set at the maximum for my monitor, as well. After running xrandr -q I see that I only have those two resolutions available. Does anyone know how to get my monitor to display a higher resolution? Here's my xorg.conf.

Code:
me@localhost:~$ cat /etc/X11/xorg.conf
# /etc/X11/xorg.conf (xorg 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 /etc/X11/xorg.conf manual page.
# (Type "man /etc/X11/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 "Files"
        FontPath        "/usr/share/X11/fonts/misc"
        FontPath        "/usr/share/X11/fonts/cyrillic"
        FontPath        "/usr/share/X11/fonts/100dpi/:unscaled"
        FontPath        "/usr/share/X11/fonts/75dpi/:unscaled"
        FontPath        "/usr/share/X11/fonts/Type1"
        FontPath        "/usr/share/X11/fonts/100dpi"
        FontPath        "/usr/share/X11/fonts/75dpi"
        FontPath        "/usr/share/fonts/X11/misc"
        # path to defoma fonts
        FontPath        "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

Section "Module"
        Load    "bitmap"
        Load    "ddc"
        Load    "dri"
        Load    "extmod"
        Load    "freetype"
        Load    "glx"
        Load    "int10"
        Load    "type1"
        Load    "vbe"
EndSection

Section "InputDevice"
        Identifier      "Generic Keyboard"
        Driver          "kbd"
        Option          "CoreKeyboard"
        Option          "XkbRules"      "xorg"
        Option          "XkbModel"      "pc105"
        Option          "XkbLayout"     "us"
        Option          "XkbOptions"    "lv3:ralt_switch"
EndSection

Section "InputDevice"
        Identifier      "Configured Mouse"
        Driver          "mouse"
        Option          "CorePointer"
        Option          "Device"                "/dev/input/mice"
        Option          "Protocol"              "ExplorerPS/2"
        Option          "ZAxisMapping"          "4 5"
        Option          "Emulate3Buttons"       "true"
EndSection

Section "InputDevice"
  Driver        "wacom"
  Identifier    "stylus"
  Option        "Device"        "/dev/wacom"          # Change to 
                                                      # /dev/input/event
                                                      # for USB
  Option        "Type"          "stylus"
  Option        "ForceDevice"   "ISDV4"               # Tablet PC ONLY
EndSection

Section "InputDevice"
  Driver        "wacom"
  Identifier    "eraser"
  Option        "Device"        "/dev/wacom"          # Change to 
                                                      # /dev/input/event
                                                      # for USB
  Option        "Type"          "eraser"
  Option        "ForceDevice"   "ISDV4"               # Tablet PC ONLY
EndSection

Section "InputDevice"
  Driver        "wacom"
  Identifier    "cursor"
  Option        "Device"        "/dev/wacom"          # Change to 
                                                      # /dev/input/event
                                                      # for USB
  Option        "Type"          "cursor"
  Option        "ForceDevice"   "ISDV4"               # Tablet PC ONLY
EndSection

Section "Device"
        Identifier      "ATI Radeon 9800 Pro"
        Driver          "fglrx"
        BusID           "PCI:1:0:0"
EndSection

Section "Monitor"
        Identifier      "Generic Monitor"
        Option          "DPMS"
        HorizSync       60-75
        VertRefresh     60-75
EndSection

Section "Screen"
        Identifier      "Default Screen"
        Device          "ATI Radeon 9800 Pro"
        Monitor         "Generic Monitor"
        DefaultDepth    24
        SubSection "Display"
                Depth           1
                Modes           "1440x900" "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           4
                Modes           "1440x900" "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           8
                Modes           "1440x900" "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           15
                Modes           "1440x900" "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           16
                Modes           "1440x900" "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           24
                Modes           "1440x900" "1024x768" "800x600" "640x480"
        EndSubSection
EndSection

Section "ServerLayout"
        Identifier      "Default Layout"
        Screen          "Default Screen"
        InputDevice     "Generic Keyboard"
        InputDevice     "Configured Mouse"
        InputDevice     "stylus" "SendCoreEvents"
        InputDevice     "cursor" "SendCoreEvents"
        InputDevice     "eraser" "SendCoreEvents"
EndSection

Section "DRI"
        Mode    0666
EndSection

Section "Extensions"
        Option  "Composite" "Disable"
EndSection

Section "ServerFlags"
        Option  "AIGLX" "off"
EndSection
Any help would be greatly appreciated.
 
Old 03-21-2007, 12:25 PM   #2
jay73
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Registered: Nov 2006
Location: Belgium
Distribution: Ubuntu 11.04, Debian testing
Posts: 5,019

Rep: Reputation: 130Reputation: 130
It seems you're still not using the proper refresh rates. The Horizontal values as specified in your xorg.conf are not any higher than the vertical ones - while they should be. I suggest raising horizontal from 75 to 80 or 81. Do make a backup of xorg.conf first, I'm pretty confident this will work but if it doesn't, a backup is quite handy to undo any damage.
 
Old 03-21-2007, 05:08 PM   #3
JRR883
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Registered: Aug 2005
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Distribution: Ubuntu 7.04 (Feisty Fawn)
Posts: 86

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Quote:
Originally Posted by jay73
It seems you're still not using the proper refresh rates. The Horizontal values as specified in your xorg.conf are not any higher than the vertical ones - while they should be. I suggest raising horizontal from 75 to 80 or 81. Do make a backup of xorg.conf first, I'm pretty confident this will work but if it doesn't, a backup is quite handy to undo any damage.
Well I looked on the Xerox website and for some reason it only specified the vertical refresh rates (60-75). I'll try 80 and/or 81 and get back to you.
 
Old 03-21-2007, 09:59 PM   #4
JRR883
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Registered: Aug 2005
Location: God's barf bag
Distribution: Ubuntu 7.04 (Feisty Fawn)
Posts: 86

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I tried setting the vert refresh rate to 81, didn't work. 83 gave me a bunch of resolutions below 1024x768, all using 75 or 60Hz, but nothing above it.
 
  


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