Sis305 chipset and Open GL?

Sis say the chipset supports opengl how can I go about doing this?

The drivers should include this support. (Try downloading the latest.)

What specific problem do you have? What OS?

Ahh, new drivers posted on 6 of nov could be it. Will I need to download anything from opengl or should everything just work?

Everything should just work (doesn’t mean it will, but it should). OpenGL is built into Windows (except the original 95).