"Ezhou" is likely the name of the manufacturer or the chipset user , but not the specific model of the sound card. Most generic PCI sound cards use chips manufactured by C-Media (e.g., CMI8738, CMI8768, CMI8788) or Realtek . To find the correct driver, you usually need to identify the chipset number on the card itself.
If no driver works, the PCI sound card may be defective or incompatible with modern Windows versions (e.g., no 64-bit driver exists). ezhou pci sound card driver download link
If you have an Ezhou 5.1 or 7.1 channel PCI sound card and it’s not working after installing Windows (or showing as "Unknown Device"), you need the correct driver. Below are the verified download links and installation steps. "Ezhou" is likely the name of the manufacturer
: 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. If no driver works, the PCI sound card