Computer - Motherboard


The motherboard serves as a single platform to connect all of the parts of a computer together. A motherboard connects CPU, memory, hard drives, optical drives, video card, sound card and other ports and expansion cards directly or via cables. It can be considered as the backbone of a computer.

Mother Board


  • Motherboard varies greatly in supporting various types of components.

  • Normally, a motherboard supports a single type of CPU and few types of memories.

  • Video Cards, Hard disks, Sound Cards have to be compatible with motherboard to function properly.

  • Motherboards, cases and power supplies must be compatible to work properly together.

Popular Manufacturers

  • Intel

  • ASUS

  • AOpen

  • ABIT

  • Biostar

  • Gigabyte

  • MSI


The motherboard is mounted inside the case and is securely attached via small screws through pre-drilled holes.

Motherboard contains ports to connect all of the internal components. It provides a single socket for CPU. For memory, normally one or more slots are available. Motherboards provide ports to attach floppy drive, hard drive and optical drives via ribbon cables. Motherboard carries fans and a special port designed for power supply.

There are peripheral card slots on front of the motherboard using which video cards, sound cards and other expansion cards can be connected to motherboard.

On left side, motherboard carries a number of ports. These ports connect monitor, printer, mouse, keyboard, speaker, network cables and all to the motherboard. Motherboards also provide USB ports, which allow compatible devices to be connected in plug-in/plug-out fashion. For example, pen drive, digital cameras, etc.