If you can provide the or the text printed on the main black chip , I can point you to the exact file you need.
: A reliable source for legacy hardware documentation and driver archives, particularly for C-Media C3DX HSP56 chips The Retro Web CMI8738 . hsp56 sound card driver
Based on your search term , you are almost certainly looking for drivers for a modem/sound card combo device that was very popular in the late 90s and early 2000s. If you can provide the or the text
The in HSP56 stands for Host Signal Processing (also called a "winmodem" or "soft modem"). hsp56 sound card driver
Since official support for these devices has largely ended, you must rely on third-party driver repositories or legacy archives: