While Rapidshare once hosted many user-uploaded driver packs, it is now offline and unsafe. This article explains what this audio adapter is, where to find legitimate drivers, how to fix common sound issues, and why you should avoid Rapidshare-like sites for driver downloads.
While Intel manufactures the controller (the "hub"), the actual sound processing is usually handled by a third-party codec. Common pairings for this specific adapter include: Realtek ALC880 (D): where to find legitimate drivers
Here are some top audio adapters that are compatible with the Intel 82801FB ICH6 High Definition Audio B2: how to fix common sound issues