OpenGL for SIS6326

Why doesn´t exist driver for this video card?
I was try to install QuakeIII in my computer and. I can´t run it, because doesn´t install OpenGL…

If someone know about a patch or software to solve my problem, please reply this message.

Vielen Dank

Why doesn´t exist driver for this video card?

Because the maker of the card didn’t write one.

There may be a D3D-to-GL driver avaliable somewhere, but this is hardly the right forum to look for those things. Try the end-user forum.