It's doubtful there will be any Windows 7-compatible drivers for that motherboard chipset if it's more than a few years old. Writing drivers costs money so only the newer hardware gets drivers for the latest version of Windows as this saves money. It's also counter-productive (for the manufacturer) to keep supporting old hardware when they would much rather you bought new stuff from them.
However, you might want to look here: SiS - Welcom to Silicon Integrated Systems Corporation.
The above website provides a link to Soyo support here:
http://www.soyo.com.tw but I couldn't get their server to respond & it timed out.
However, you might want to look here: SiS - Welcom to Silicon Integrated Systems Corporation.
The above website provides a link to Soyo support here:
http://www.soyo.com.tw but I couldn't get their server to respond & it timed out.