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Old 04-04-2005, 01:41 PM   #1
Registered: Oct 2004
Posts: 47

Rep: Reputation: 15
please help to configure video card in FC3


I'm a newbie to Linux and just started using Fedora Core 3.
I have a Diamond Fire GL 1000 Pro video card in my computer.
I'm not sure how many megs the video card is.
Anyway, i'm trying to set the resolution and color depth on my computer.
I've read that you can edit the /etc/X11/xorg.conf file.
So i tried editing it and i think i was fairly successful but i still have
some questions that i'm unclear about.

Here is what the portion of my /etc/X11/xorg.conf file that i edited looks like:

Section "Device"
Identifier "Videocard0"
Driver "glint"
VendorName "Videocard vendor"
BoardName "Diamond Fire GL 1000 Pro"

Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 8

SubSection "Display"
Viewpoint 0 0
Depth 16
Modes "800x600"

SubSection "Display"
Viewpoint 0 0
Depth 8
Modes "1280x1024" "1024x768" "800x600" "640x480" (i edited this line)

So currently it appears that i'm using a 1280x1024 resolution with 8 colors.
One question i have: how come there are two "Display" sections in the portion above? I didn't know which of the two to edit so i just edited the second section. When i change Depth to 16, in the second section, and reboot, my monitor doesn't like it and won't display anything on the screen. So then i have to hookup the computer to a different monitor and change the setting back to 8 so that the original monitor will display the screen. By the way, i'm using a Dell LCD monitor hooked up to a KVM switch. I didn't have a problem with this monitor when using SuSE 9.1 Personal.

Another question i have:
When i goto System Settings > Display... the resolutions i added in /etc/X11/xorg.conf are not shown in the resolution drop-down menu. The Display diaglog is showing that the resolution is set at 640x480 with 256 colors when infact it's really set at 1280x1024 with 8 colors (according to the /etc/X11/xorg.conf file above).

Thanks for your time,

Old 04-05-2005, 09:44 AM   #2
Senior Member
Registered: Oct 2003
Posts: 3,057

Rep: Reputation: 59
It may be a lot easier for you to use the display tool by typing the command:

Unless you have an old video card, it should do alot better than 8 .
Here's what mine looks like for example......
Section "Screen"
	Identifier "Screen0"
	Device     "Videocard0"
	Monitor    "Monitor0"
	DefaultDepth     24
	SubSection "Display"
		Viewport   0 0
		Depth     16
		Modes    "800x600" "640x480"
	SubSection "Display"
		Viewport   0 0
		Depth     24
		Modes    "1024x768" "800x600" "640x480"


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