For Windows XP users, Microsoft’s official catalog still has a signed HSP56 driver.
Conexant’s legacy HSP56 modems often used the same driver as the Conexant SoftK56 or HCF series.
🔗 Driver example (Archive.org mirror):
https://archive.org/details/conexant-hsp56-mr-modem-driver hsp56 sound card driver link
A: Yes. MR (Modem Riser) drivers include AT/V.90 modem functions. MC-Link is pure audio. The links above contain both. Use hsp56mr.inf for modem/audio combo cards. For Windows XP users, Microsoft’s official catalog still
If you’re reading this, you’ve likely stumbled upon an old PCI sound card labeled "HSP56" or "PCtel HSP56" inside a retro PC, or you’re trying to revive legacy hardware for a specialized project. The hunt for a valid hsp56 sound card driver link can feel like searching for a ghost. These modems/sound combos were ubiquitous in the late 1990s and early 2000s, but today, manufacturer support is dead, and many download portals are laced with malware. MR (Modem Riser) drivers include AT/V
This article provides everything you need to know about the HSP56 chipset, why drivers are so elusive, and—most importantly—a verified, safe path to getting that driver installed.
After extensive archival research, here are the three most reliable sources for HSP56 drivers. These have been scanned for malware and are verified to work on Windows 98 SE, Windows Me, and Windows 2000.