You're looking for features related to sound drivers, specifically for the WS-68 model on Windows 7. Here are some potential features you might be interested in:
host older "WS" sound card drivers specifically for Windows 7. Driver Easy Manual Installation Steps Audio driver for Microsoft Windows 7 (Windows) - Download sound drivers ws-68 windows 7 free
One option is to try the "Realtek High Definition Audio Driver" for Windows 7. This driver is compatible with many motherboards, including some older models like the WS-68. You're looking for features related to sound drivers,