A motherboard is the main circuit board in a PC. All the components in a PC are either located directly on the motherboard or connected to it so they can communicate with the CPU and with each other. Common items located on the motherboard include PCI/PCI Express slots, AGP slot, CPU socket, chipset, RAM slots, hard drive connectors, CMOS battery, mouse/keyboard ports, parallel port, USB ports and power supply connection.
Motherboard Form Factors
A PC will use one of these form factors which relates to the size and configuration of the motherboard, case and power supply. ATX is the most common form factor used for PCs.
The chipset is a group of chips located on the motherboard that work together to control the data being sent and received by the CPU. The CPU requires the help of the chipset to do its processing tasks. On Intel based systems, the chipset is known as the northbridge and southbridge.
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