No, not as a primary sound device.
The HSP56 often routes audio through an internal motherboard header. Ensure the physical jumpers next to your AMR/CNR slot match the settings in your motherboard manual. CPU Overhead / Driver Incompatibility
The HSP56 (Host Signal Processing) technology was widely used in the late 1990s and early 2000s. Created by PC-Tel and often integrated by companies like C-Media or VIA, it relied on the computer's CPU to process audio data.
Conexant’s legacy HSP56 modems often used the same driver as the or HCF series. 🔗 Driver example (Archive.org mirror): https://archive.org/details/conexant-hsp56-mr-modem-driver hsp56 sound card driver link
Turn on your legacy computer and boot into Windows (e.g., Windows 98 or Windows XP). Right-click on and select Properties .
Most HSP56 devices are based on one of the following chipsets. Check your hardware for these names: C-Media (C3DX HSP56 / CMI8738)
The most helpful feature for legacy cards like this is the in Windows. Because modern Windows often misidentifies these old chips as generic modems rather than sound cards, you can force the correct driver: No, not as a primary sound device
Click Start, type devmgmt.msc and press Enter.
Because PCTel went out of business and its assets were sold years ago, finding a working today can be incredibly difficult.
Sometimes, the modem driver conflict with the sound driver. Try to disable the HSP56 Modem portion in the BIOS or Device Manager if you only need the sound portion. CPU Overhead / Driver Incompatibility The HSP56 (Host
If you found a driver or method that worked for you, share your success in the comments below to help other retro-enthusiasts on their journey
The HSP56 chipset was designed during a specific era of computing. Its compatibility is highly restricted by modern standards.
chipset. Because this is older hardware, finding official manufacturer support pages is difficult, and you will primarily find drivers through third-party archives or the Microsoft Update Catalog Driver Download Links
This is one of the most common versions found on PCI sound cards. You can often use the standard CMI8738 audio drivers for the sound portion of these cards. Find these on the C-Media Download Center The Retro Web PCtel (HSP56 MR)