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Old 06-30-2007, 12:19 PM   #1
shorty_boy
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Registered: Oct 2003
Location: Lemoore, Ca
Distribution: Debian Testing
Posts: 88

Rep: Reputation: 16
Is there a way to change agp state with mesa drivers (ie from 1x to 4x)?


I have an ati card (check sig)that runs in 1x mode with the mesa drivers and in the full 4x mode when using fglrx (my mobop is 1x and 4x compatable).

Now direct render is enabled with the mesa drivers and it works for almost all 3d apps (some games are too slow) but i know i can get better performance out of my card if it would run at the 4x mode.

If you suggest using fglrx, i say no as it makes my system unstable and i cannot seem to play back video as my cpu shoots to 100%. See my last thread.

Is there anything that i can do to help?
 
Old 06-30-2007, 12:57 PM   #2
jhwilliams
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Registered: Apr 2007
Location: Portland, OR
Distribution: Debian, Android, LFS
Posts: 1,168

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Use the open source radeon drivers and specify the
Code:
Option "AGPMode" "4"
in your xorg.conf.

(Consult xorg.conf and radeon man pages as necessary)

Yes, ATI/fglrx do suck; radeon driver is a bit better. the open source drivers don't have hardware rendering, but hey, neither does vesa. DRI with glxgears ~2500 should be attainable fairly easily depending on how the 1800+ handles it.

Last edited by jhwilliams; 06-30-2007 at 12:59 PM.
 
Old 06-30-2007, 01:47 PM   #3
shorty_boy
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Registered: Oct 2003
Location: Lemoore, Ca
Distribution: Debian Testing
Posts: 88

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thanks,

i appreciate it.
 
  


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