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Old 06-05-2009, 11:47 AM   #1
Innervision
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Accessing 1680x1050 in Slack 12.2 (Radeon HD 3870)


Hey all,

I have an ATI Radeon HD 3870 card, which allows up to 1680x1050 resolution, however the default/maximum resolution available in my display settings is 1024x768.

I'm not certain what information will be useful in diagnosing the problem, but here is some info from my xorg.conf:

Section "Monitor"
HorizSync: 31.5 - 50.0
VertRefresh: 40 - 90

Graphics Device Section
Identifier: "VESA Framebuffer"
Driver: "vesa"

Screen Sections
DefaultDepth: 24

SubSection "Display"
Depth: 24
Modes "1024x768" "800x600" "640x480"

Thanks a lot for any help.
 
Old 06-05-2009, 12:02 PM   #2
quanta
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Registered: Aug 2007
Location: Vietnam
Distribution: RedHat based, Debian based, Slackware, Gentoo
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Search again with:
- gtf command
- "Monitor", "Screen" section in xorg.conf
- Check current resolution with xrandr command
 
Old 06-05-2009, 12:08 PM   #3
manwichmakesameal
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Registered: Aug 2006
Distribution: Slackware
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Use the radeonhd driver in your xorg.conf.
 
Old 06-05-2009, 12:12 PM   #4
Innervision
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Sorry, I'm quite new with Linux -- I don't understand what either of you said to do.
 
Old 06-05-2009, 12:13 PM   #5
mattydee
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You could also try running xorgsetup

which you have to do as root user.
 
Old 06-05-2009, 12:17 PM   #6
manwichmakesameal
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Change this
Code:
Graphics Device Section
Identifier: "VESA Framebuffer"
Driver: "vesa"
to this
Code:
Graphics Device Section
Identifier: "VESA Framebuffer"
Driver: "radeonhd"
You'll have to be root to do it. You can use nano or kwrite or something like that. Once you've changed that entry, restart X.

Last edited by manwichmakesameal; 06-05-2009 at 12:18 PM. Reason: Bad edit
 
Old 06-05-2009, 12:27 PM   #7
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Changing "vesa" to "radeonhd" did the trick. That was surprisingly simple Thanks a lot.
 
  


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