ATI 9550 + dodgy monitor = No X windows
Steve
yorvik.ubunto at googlemail.com
Sun Jan 10 12:20:23 UTC 2010
On Sun, 10 Jan 2010 04:37:37 -0000, Rodney Schuler <rschuler at gmail.com>
wrote:
> I have a ubuntu 9.04 installed. I was using the integrated i845 chip set
> graphics. I am trying to upgrade to using a ATI 9550 card. The monitor
> is
> a dodgy gateway2000 Vivitron 1776. This monitor works just fine, except
> no
> video system seems to be able to pull the specs from this monitor. No
> linux
> distro has ever worked out of the box with this monitor. I always have
> to
> add a monitor section like:
>
> Section "Monitor"
> Identifier "Gateway Vivitron 1776"
> HorizSync 31.5 - 64
> VertRefresh 50-120
> Option "DPMS"
> End Section
>
> To my xorg.conf.
>
> Even windows does not correctly "see" this monitor. Windows just
> defaults
> to the lowest possible resolution and refresh and lets me point & click
> to
> the resolution I want.
>
> I have connected the dodgy monitor to the DVI port of ATI 9550 card
> through
> a DVI->VGA adapter that I have used successfully on other system. The
> system displays the boot and BIOS screens without troubles. The
> alt-shift-fn terminals work but I can get no X11 style graphics. I have
> tried auto(re)configuring my xorg.conf. I have hand edited my xorg.conf.
> Through all these changes I consistently get 2 errors
> in /var/log/Xorg.0.log I am getting 2 errors. Here are the lines around
> the
> errors. (Reproduced by hand - may have typos)
>
> (II) RADEON(0): Output: VGA-0, Detected Monitor Type:0
> finished output detect: 0
> (II) RADEON(0): I2C device "DVI-0:E-EDID segment register" registered at
> address 0x60.
> (II) RADEON(0): I2C device "DVI-0:ddc2" registered at address 0xA0.
> (II) RADEON(0): Output: DVI-0, Detected Monitor Type: 0
> Unhandled monitor type 0
> finished output detect: 1
> (II) RADEON(0): Output: S-video, Detected Monitor Type:0
> finished output detect: 2
> (EE) RADEON(0): No connected devices found!
> finished all detect
> before xf86InitialConfiguration
> (II) RADEON(0): Output: VGA-0, Detected Monitor Type: 0
> (EE) RADEON(0): Using CRT default
> (II) RADEON(0): Total number of valid Screen mode(s) added: 0
> Unhandled monitor type 0
> (II) RADEON(0): Output: S-video, Detected Monitor Type: 0
> (II) RADEON(0): Output VGA-0 connected
> (II) RADEON(0): Output DVI-0 disconnected
> (II) RADEON(0): Output S-video disconnected
>
> Here is my current xorg.conf
>
> Section "Monitor"
> Identifier "Gateway Vivitron 1776"
> HorizSync 31.5 - 64
> VertRefresh 50-120
> Option "DPMS"
> End Section
>
> Section "Screen"
> Identifier "Gateway Vivitron 1776 on Radeon 9550"
> Device "Radeon 9550"
> Monitor "Gateway Vivitron 1776"
> End Section
>
> Section "Device"
> Identifier "Radeon 9550"
> Driver "ati"
> BusID "PCI:1:0:0"
> End Section
>
> Section "ServerFlags"
> Option "DontZap" "false"
> EndSection
>
>
> So, what do I need to add to my xorg.conf to get the dodgy monitor to
> work
> with the ATI 9550 card? I think that I just need a way to tell the
> radeon
> driver to ignore the auto detection results ad just output to that dvi
> port.
> How do I do that?
>
A few suggestions to try:-
The proprietory drivers may be better
System > Aministartion > Hardware Drivers
will install them.
http://www.monitorworld.com/Monitors/gateway2000/vivitron1776.html shows a
different frequency range for your monitor.
Have a look at xrandx for setting the display size
--
Steve
More information about the ubuntu-users
mailing list