a 500MHZ system would probabbly have at most AGP 2X
I'm not sure, but I think you might be able to use a Geforce 2
but it has to be AGP 2X
I had a 500MHZ system, and its video card was an Nvidia TNT2. when it first came out, it was very popular for having performance almost as good as the other high end cards, yet it was cheap.
I think the TNT was the first video card with multiple pipelines. the TNT2 was its successor