Here is the "long post" breakdown of what you have, why it is difficult to find, and how to get it working.
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 . hsp56 sound card driver
If you are building a Windows 98 SE retro rig and you already have an HSP56 onboard, use it. But if you want authentic DOS audio, buy a used Sound Blaster 16 or AWE64. If you are using Windows 10 or 11, do not waste time searching for an HSP56 sound card driver —it simply does not exist. Here is the "long post" breakdown of what
The term "HSP56 sound card" typically refers to devices using one of the following chipsets: C-Media CMI8738/PCI-SX (C3DX HSP56) - The Retro Web If you are building a Windows 98 SE