What is the Intel(R) Serial IO I2C Host Controller - A368 Windows Driver?

The Intel(R) Serial IO I2C Host Controller - A368Serial I/O (SIO) interface, specifically for the I2C bus. I2C (Inter-Integrated Circuit) is a communication protocol commonly used for connecting low-speed peripherals like sensors, touchscreens, and other embedded devices to a host system. The Serial IO I2C Host Controller facilitates communication between the I2C devices and the host system (usually a laptop or desktop computer), typically for things like managing sensors, controllers, or other embedded components.

The A368 refers to a specific version or model of this controller. Intel's Serial IO drivers are part of a broader suite of drivers designed to manage Intel's I/O interfaces, which can include serial, parallel, USB, and I2C controllers.

This driver is particularly important for modern systems that use Intel chipsets, as it helps manage the interaction between the CPU and various low-speed devices connected via I2C, allowing proper operation of certain hardware features like sensors, fan controllers, and touchpads.