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Old 03-26-2004, 06:39 AM   #1
kousik_s
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Registered: Sep 2003
Location: India
Distribution: RedHat 9, Mandrake Move2, Windows XP Pro
Posts: 54

Rep: Reputation: 15
changing screen picture depth to 24 bit


Dear all,

I use Mandrake 9. My monitor is Samsung 17" Flat (763 MB) and Graphics Card is on-board Intel 810.
I have a little problem. This monitor model is not listed as supported. But there is no problem in display and everything is OK. The screen defaults to 1024*768, which is same as WinXP. But colour depth is only 16 bit. I tried to change it during installation and later through Mandrake Control Centre. But there are no other options in the drop down list.
My Win XP supports 24 bit. I would like to do the same in Mandrake Linux.

Thanks,
Kousik

 
Old 03-26-2004, 06:52 AM   #2
Kovacs
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Registered: Jul 2003
Distribution: FreeBSD 8.2 RELEASE
Posts: 607

Rep: Reputation: 30
Edit your /etc/X11/XF86Config (or it might be XF86Config-4 in Mandrake, I'm not sure), and under the "Screen" section edit the value for DefaultDepth to 24. You might also need to add some lines to specify your resolutions at that depth.

This is what the relevant part of my file looks like:

Section "Screen"
Identifier "Screen 1"
Device "** NVIDIA (generic) [nv]"
Monitor "My Monitor"
DefaultDepth 24

Subsection "Display"
Depth 8
Modes "1280x1024" "1024x768" "800x600" "640x480"
ViewPort 0 0
EndSubsection
Subsection "Display"
Depth 16
Modes "1280x1024" "1024x768" "800x600" "640x480"
ViewPort 0 0
EndSubsection
Subsection "Display"
Depth 24
Modes "1280x1024" "1024x768" "800x600" "640x480"
ViewPort 0 0
EndSubsection
EndSection
 
  


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