Acer Chromebook C710 Input Output Board with Cable, part number 55. SGYN 2.002, is a crucial component for managing the input and output functions of the Chromebook. This board, along with its accompanying cable, connects various peripheral devices to the motherboard, facilitating the operation of ports and interfaces such as USB, audio, and network connections. It is essential for ensuring the seamless connectivity and functionality of external devices, making it a vital replacement part for maintaining or repairing your Acer Chromebook C710.