The motherboard is the cornerstone of every computer. It hosts the processor, memory, graphics cards and other expansion cards, and connects to the optical drives and discs. The basis of any such motherboard foundation is a chipset, which is a group of integrated circuits - chips that control the passage and flow of information across different parts of the computer.
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Motherboards are divided into categories determined by the type of processor socket. Therefore, it is necessary that the selected processor is totally compatible. When selecting a particular model more detailed specifications of the motherboard must be taken into account. They should promote an adequate amount of RAM and offer enough slots for the memory modules. Furthermore, it should have modern slots such as PCI-Express x16, PCI Express x1 and PCI expansion cards for connection. For the use of hard drives and optical drives SATA II connectors are required, together with the older SATA and IDE Ultra ATA (for optical drives). To connect external devices they should also have important inputs and outputs. The standard USB 2.0 connectors are suitable are E-SATA or FireWire connectors. Motherboards usually have integrated sound and network cards, and some models have built-in graphics cards, that easily connect to monitors.