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Old 10-31-2003, 01:23 PM   #1
rolandi
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Registered: Oct 2003
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Concerning the linux display


Hi,

I have installed linux mandrake and redhat in my computer and windows 2000 and xp. Yet, linux installation could not provide more than 24 bits display quality whereas the windows could display at 32.

I have a Radeon Mobility 16 MB card, but even in other computer I have noticed that linux displays at only 24 bits.

Is this common for all computers? Is it possible to change the display from 24 bits to 32 bits?

Thanks for reading,

Roland
 
Old 10-31-2003, 01:35 PM   #2
neozero62
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Registered: Oct 2003
Distribution: Red Hat 9
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Make sure Linux has selected the correct driver for your Radeon card AND your monitor. I have a Radeon 32mb card and had a simuler problem with RedHat 9. I had to manualy change the monitor driver. I would try that first! Hope it helps.
-Neo
 
Old 10-31-2003, 06:52 PM   #3
akaBeaVis
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Registered: Apr 2003
Location: Maryland
Distribution: Slack 9.1,10 Mandrake 10,10.1, FedCore 2,3, Mepis 2004, Knoppix 3.6,3.7, SuSE 9.1, FreeBSD 5.2
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This is controlled by either /etc/X11/XF86Config-4 or /etc/X11/XF86Config depending on which distro you're using at the moment, take a look at those files, (preferably read-only to start with so you don't mess anything up) beginning with the line that reads 'Section "Screen"', there are a number of lines below defining color depths and resolutions at those color depths, the solution could be as simple as cutting/pasting the 24bit subsection and modifiying the 24 to read 32, and then modifying the DefaultColorDepth to be 32, be careful here, bad edits will render you windowing non-functional, make a backup and be familiar with how to copy it back to the /etc/X11 directory from the console *before* editing that file.

oops, forgot to mention this: when you feel you've made correct edits and saved the file, type ctrl+alt+backspace to exit the windowing environment, and then startx to get back to it.

Last edited by akaBeaVis; 10-31-2003 at 06:55 PM.
 
  


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