, right-click the "Multimedia Audio Controller" or "Unknown Device," go to Properties > Details , and select Hardware Ids . Look for strings like PCI\VEN_8086&DEV_2446 (Intel) or PCI\VEN_1039&DEV_7013 (SiS) to narrow your search. Manual Search Microsoft Update Catalog or legacy driver repositories like to locate the specific files (often named Installation Right-click the device in Device Manager and select Update driver "Browse my computer for drivers" and point to the folder containing your downloaded files.

Instead of using expensive onboard processors on the sound or modem card, HSP technology used the computer's main CPU to handle audio synthesis and signal modulation.