The is a combination audio and modem chipset, often found in older systems like those using PCChips or Hsin Tech motherboards. It typically utilizes the C-Media CMI8738 chip for its audio functionality. Drivers for C3DX HSP56 / CMI8738
If you are unsure which driver to use, check the in Windows Device Manager. The common ID for the audio portion of this chipset is: PCI\VEN_13F6&DEV_0111 Installation Tips C-Media CMI8738/PCI-SX (C3DX HSP56) - The Retro Web skachat draiver c3dx hsp56
: Offers a wide range of legacy drivers including DOS , Linux , Windows 9x , NT4 , and XP CMI8738/PCI (C3DX) . The is a combination audio and modem chipset,