Open your PC case. The HSP56 chip is usually a small, square QFP package (about 1cm x 1cm) with the following markings:
If you must preserve authenticity, the community drivers listed in Part 3 will get your HSP56 humming again on Windows 98 SE. But for the sanity of your processor (and your ears), consider giving that old HSP56 a dignified retirement. hsp56 sound card driver
Final check: Bookmark this guide. When that old driver CD inevitably gets scratched, you will know exactly where to find a safe, working hsp56 sound card driver. Open your PC case