A motherboard PC is a circuit board commonly used in hardware’s like personal computers and laptops. It is known to be the main board and is use in other electronic devices. A standard motherboard offers attachment of the CPU, sound card, hard disk, memory and other external devices. The circuit that mostly connects the external peripherals uses color coded formats that is based on the PC99 requirement. The newer version of 2007 motherboard contains numbers of connections. As of that same year, motherboards contain 4x USB ports on the rear with 2 connections attached and with the Ethernet also included.