: Unlike dedicated Sound Blaster cards, HSP56 devices lacked an onboard processor. They used the computer's CPU to handle audio and communication tasks, which often led to performance drops on slower machines.
chipset for the audio portion. Drivers for these devices provided standard sound, video, and game controller interfaces within Windows. Modem Integration : The driver frequently included MicroModem MR (Modem Riser) hsp56 sound card driver
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 : Unlike dedicated Sound Blaster cards, HSP56 devices
: A reliable community resource for legacy driver issues : Unlike dedicated Sound Blaster cards
: Look under Sound, video and game controllers or Other devices (where it may appear as a "PCI Communications Controller").