The LPC (Low Pin Count) Bus is a communication interface found on modern computer motherboards. It allows older, legacy devices-such as serial and parallel ports, BIOS chips, and Trusted Platform Modules-to connect to the system using fewer wires and simpler signaling compared to previous standards. By streamlining the connection process, the LPC Bus helps maintain compatibility with essential legacy hardware without requiring complex circuitry, making it a cost-effective solution for supporting older peripherals in newer computers.