Here is comprehensive information regarding the CMI8738 audio driver for Windows 11 64-bit systems. The CMI8738 (often labeled as C-Media CMI8738/C3DX PCI Audio Device) is a legacy PCI sound card chip that was popular in the late 1990s and early 2000s. Because this hardware is so old, C-Media (the manufacturer) has not released a dedicated driver specifically designed for Windows 11. Index.of.finances.xls.rar Apr 2026