S3 website: http://www.s3graphics.com/en/drivers/index.aspx
Asus website: http://support.asus.com/
Driverguide.com Advanced Search Wizard
There's also a Simple Search
button located on the same page (upper right corner) as well as several other Search
buttons located through-out this site.
When you choose "Other" in the interface box, we have no way to help you. You should say if it's a pci/agp card or if it's a chipset embedded/integrated on the motherboard... and you should offer a physical description of the actual video device that you're wanting a driver for.