The HSP56 is a legacy hardware component, often found as a combination modem and sound card chip, typically powered by the C-Media CMI8738

chipset. Finding reliable drivers for modern systems like Windows 10 or 11 can be difficult because the hardware is considered "vintage". Direct Driver Download Links

You can find drivers for various versions of the HSP56 (including MR and Micromodem variants) through these specialized driver repositories: HSP56 MR Drivers (Multi-OS) DriverScape - HSP56 MR provides versions for Windows 10, 8.1, 7, and XP. C-Media CMI8738/PCI-SX (Audio Component) : Since many HSP56 cards use this chip, the C-Media CMI8738 Drivers are often the most compatible for audio functionality. HSP56 Micromodem : Specific modem-side drivers can be found at DriverScape - Micromodem Intel/SiS HSP56 MR Variants

: If your card is integrated with an Intel or SiS chipset, specialized drivers are available at DriverHub - Intel HSP56 MR DriverHub - SiS HSP56 MR Brief Overview: The HSP56 Sound Card

The HSP56 (Host Signal Processing 56K) was a popular low-cost solution in the late 1990s and early 2000s. Unlike high-end cards that have dedicated processors, "host-based" cards like the HSP56 rely on the computer's CPU to process audio and modem signals. Chipset Heritage : Most HSP56 cards use the C-Media CMI8738/PCI-SX

audio processor, which supports up to 5.1 channel surround sound. Hybrid Functionality

: It is often a "combination chip," meaning it handles both modem communications (56K) and audio playback. In some BIOS settings, the modem part can be deactivated to avoid conflicts. Legacy Support : It includes support for older standards like SBPro (Sound Blaster Pro)

emulation for DOS-based games and includes a MIDI/Game port for vintage joysticks. Compatibility and Installation Tips HSP56 MR Drivers Download for Windows 10, 8.1, 7, Vista, XP

This guide provides information on the HSP56 sound card, identifying the correct chipset, and where to find working drivers for modern versions of Windows.

3. HP/Compaq Support Archives (For OEM versions)

If your HSP56 came from an HP Pavilion (e.g., 6730, 8750c) or Compaq Presario, the driver is hidden in old “Conexant Audio” packages.

5. Troubleshooting

Error: No sound after install – only crackling

Common Errors and Their Fixes

2. Identifying Your Hardware

Before downloading a driver, you must identify which specific hardware you have. "HSP56" is not enough information.

Method A: Visual Inspection Open your computer case and look at the largest chip on the sound card or motherboard (near the audio jacks).

Method B: Software Identification (Recommended) If you cannot open the PC, download a free tool called Unknown Devices (or similar hardware identifier tools).

  1. Run the tool.
  2. Look for devices listed under "Sound, video and game controllers" or "Multimedia Audio Controller".
  3. Note the VEN (Vendor) and DEV (Device) IDs.

Frequently Asked Questions

Link 3: HP Support (Archived Compaq Drivers)

HSP56 was common on Compaq Deskpro and Presario models (e.g., Presario 5000 series). HP still hosts a hidden archive.