: Official Windows XP drivers are available directly from the Realtek High Definition Audio Codecs page.
: Offers Realtek drivers (e.g., v.5.10.0.5624) for legacy desktop systems on Dell Support . Sound Driver For Windows Xp Free
Realtek high definition audio driver for Windows XP - Lenovo Support : Official Windows XP drivers are available directly
Most major manufacturers still host legacy drivers on their support portals: Sound Driver For Windows Xp Free
: A reliable source for specific hardware ID matches, though it may require searching for "XP audio drivers" and filtering through results.