| Exactly which Ati card do you have?
I have had good success with all of my Ati cards and 3d hardware acceleration using the open source drivers, but none of my cards are "high end". I gather that high end Atis and All-in-Wonders have poorer support from the open source driver.
Depending on which card you have, it may be limited to lower resolutions if you want 3d hardware acceleration. For example, my old Ati Rage128 can display up to 2048x1536i, but if I want 3d hardware acceleration I need to use a much lower resolution (I have it set to 1024x768 for now).
In order to get hardware acceleration working with the open source drivers, here are a couple things you may need to do:
1. Set the video driver to "ati" and make sure DRI is enabled in your xorg.conf (or XFree86)
2. Make sure your AGPGART module is functioning properly (assuming you're using an AGP card).
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Isaac Kuo, ICQ 29055726 or Yahoo mechdan
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