Because Ezhou is an obscure manufacturer, official driver downloads no longer exist on their defunct website. However, careful internet archival has preserved several safe sources. that bundle malware.
The "58" in the driver name typically refers to a specific chipset revision. Based on driver analysis, the Ezhou Model 58 series commonly utilizes chips from C-Media (e.g., CMI8738 or CMI8768) or sometimes a VIA Envy24 clone. This is critical because many "Ezhou PCI Sound Card Driver 58" packages are rebranded reference drivers. Ezhou Pci Sound Card Driver 58
| Operating System | Driver Version | Works? | Notes | |------------------------|----------------------|--------|-----------------------------------------------------------------------| | Windows 98 SE / Me | Original CD driver | Yes | Full hardware acceleration, EAX, A3D | | Windows 2000 | Driver 58 (WDM) | Yes | Requires admin rights during install | | Windows XP (32/64) | Driver 58 | Yes | Best performance, native DirectSound | | Windows Vista / 7 (32) | Driver 58 with patch | Yes | Disable UAC temporarily | | Windows 7 (64-bit) | Modified INF v2 | Partial| No D3D hardware mixing, but stereo works | | Windows 8 / 8.1 | CMI8738 v6.60 | Partial| Microphone may not work without registry tweaks | | Windows 10 (1903+) | Community driver | Partial| Requires driver signature enforcement off; no advanced features | | Windows 11 (22H2+) | Windows 7 compat mode| Partial| Works for basic stereo only; surround requires third-party software | | Linux (Ubuntu 22.04) | snd-cmipci kernel mod| Yes | Built-in support: modprobe snd-cmipci | Because Ezhou is an obscure manufacturer, official driver