OH YEAH I HAVE A SIS 630/730 BOARD.I DOWNLOADED THE DRIVERS BUT STILL GET A BAD PERFORMANCE AND IT WORKED O.K IN 98 http://www.opengl.org/discussion_boards/ubb/frown.gif
I have the same trouble. I figured that Microsoft opengl doesn't include accelerated support. I upgraded using NVIDIA's latest driver. I now have 60 fps.
Try it!
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