[CentOS] Video driver questions
rgm at htt-consult.com
Wed Oct 8 20:22:27 UTC 2008
I am having serious difficulties with video control on this box....
William L. Maltby wrote:
> On Thu, 2008-10-02 at 10:44 -0400, Robert Moskowitz wrote:
>> # Xorg configuration created by system-config-display
>> Section "Monitor"
>> Identifier "Monitor0"
>> ModelName "LCD Panel 1024x768"
>> ### Comment all HorizSync and VertSync values to use DDC:
>> HorizSync 31.5 - 48.0
>> VertRefresh 56.0 - 65.0
>> Option "dpms"
> You may not need the monitor section. If anything like DDC (I think
> that's what it's acronym is - Display Data Control?) is in operation, it
> will piuck up the proper rates automatically. I don't have a monitor
> section at all in my xorg.conf. But I'm running a normal "desktop" node
> with conventional monitor.
> Regardless, even if needed, try what I show below.
>> Section "Device"
>> Identifier "Videocard0"
>> Driver "vesa"
>> Section "Screen"
>> Identifier "Screen0"
>> Device "Videocard0"
>> Monitor "Monitor0"
>> DefaultDepth 24
>> SubSection "Display"
>> Viewport 0 0
>> Depth 24
> My "Screen" section looks like this. Watch out for the line wrap on
> Section "Screen"
> Identifier "Screen0"
> Device "Videocard0"
> DefaultDepth 24
> SubSection "Display"
> Viewport 0 0
> Depth 24
> Modes "1600x1200" "1280x1024" "1024x768" "800x600"
> "640x480" "1280x960" "1280x800" "1152x864" "1152x768"
Something is really not working....
I have changed inittab to: id:3:initdefault:
I am logged in as root, and run: system-config-display --reconfig
I go into the Hardware tab. There I see it lists my video card; when I
go into configure the video card, it shows VESA (my video card is not a
listed card). For the monitor type, I select LCD Monitor 1280x1024.
Back to the Settings tab, I select 1024x768. I click on OK to save all
this, and system-config-display ends.
I then run: init 5
It comes up in 640x480 mode (according to Preferences>Screen
Resolution), and no other mode is listed.
I go to Administration>Display, where it lists the current mode as
640x480, I select 1024x768 and click on OK (can barely see the OK
button). I open a terminal window and run init 3 to get me out of X. I
run init 5 again. The login screen is at a higher resolution than
before, but once I log in as root, it is back to 640x480!
The display subsection in /etc/X11/xorg.conf lists only the modes:
"1024x768" "800x600" "600x480".
In the standard XP that comes with the units, the default resolution is
800x480 and you can increase that and use the capacitor scroll bars to
scroll the screen.
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