The Intel(R) ICH10 Family USB Universal Host Controller - 3A64 is a component of Intel's ICH10 (I/O Controller Hub 10) series of chipsets, which are part of the Intel family of southbridge chipsets used in motherboards. The ICH10 chipsets manage various I/O functions on the computer, including USB (Universal Serial Bus) ports, storage, audio, and more. Specifically, the USB Universal Host Controller is responsible for managing the USB ports on your computer, ensuring that connected USB devices (e.g., flash drives, mice, keyboards, printers) work correctly with the operating system.

In Windows, the Intel(R) ICH10 Family USB Universal Host Controller - 3A64 is usually part of the USB drivers that help the system recognize and interact with USB ports. If the driver for this controller is not installed correctly or is outdated, USB ports may not function properly or may exhibit issues like not recognizing connected devices, slow data transfer, or even system crashes.