TechPowerUp maintains a legacy driver archive. You can search for "TechPowerUp CMI8738 driver" as a fallback.
Retrieve legacy packages through the VIA Drivers Download Portal. Step-by-Step Installation Guide ezhou pci sound card driver download link
What to expect
Right-click the speaker icon in your system tray, select Sound settings , and ensure the PCI Sound Card is selected as your primary output device. TechPowerUp maintains a legacy driver archive
: For cards branded under MZHOU (a common variant of this name), you can find a list of MZHOU Driver Downloads which includes various PCI and PCIe expansion card drivers. select Sound settings