The is a system controller, also known as a Low Pin Count (LPC) Interface ControllerICH2 (Intel 82801BA) series and typically found in older Intel-based motherboards, primarily in the early 2000s. This controller provides communication between the processor and various system peripherals, like the system's Super I/O controllers, legacy devices, and ISA expansion slots.

The Intel 82801BA LPC Interface Controller is responsible for managing communication between the chipset and the legacy peripherals connected to the motherboard. This might include devices like serial ports, parallel ports, PS/2 keyboard/mouse ports, etc.