What is Computer Motherboard?

A motherboard is the main circuit board in a computer system. It connects the various components of the system and provides access to its inputs and outputs (I/O). The function of a motherboard can vary from one type to another, but it always performs some kind of central role in the functioning of any computing device.

A motherboard is a flat, large printed circuit board. It sits underneath the case and connects all of the components together. There are many different types of motherboards with features such as video cards, sound chips or RAID controllers to increase performance for certain tasks.

A computer’s motherboard forms part of its central processing unit (CPU) that governs everything it does so you may want one with more processors than just two cores if you’re into high intensity gaming or graphics design work like animation.

Motherboard Components

  • 1394 headers
  • 24-pin ATX power supply connector
  • 3-pin case fan connectors
  • 4-pin (P4) power connector
  • ATA / IDE disk drive primary connection
  • Back pane connectors
  • Capacitor
  • CD-IN
  • Coin cell battery (CMOS backup battery)
  • CPU socket
  • Expansion slots (PCI Express, PCI, and AGP)
  • FWH
  • Heat sink
  • Inductor
  • Integrated circuit
  • Jumpers
  • Memory slot
  • Northbridge
  • RAID
  • Screw hole
  • Serial ATA connections
  • Serial port connector
  • Southbridge
  • Super I/O
  • System panel connectors
  • USB headers

Types of Motherboards

Motherboard size ranges from ATX to Mini-ITX and they are classified according to the size of their form factor or shape.

  • AT
  • ATX
  • Baby AT
  • BTX
  • DTX
  • LPX
  • Full AT
  • Full ATX
  • microATX
  • NLX

Can motherboard be repaired?

Yes, the motherboard can be repaired. A motherboard repair is a lengthy process and requires experience to do it properly without frying other components in the computer or damaging its motherboard any further. The cost of a damaged mother board will depend on what type of damage it has incurred and how much work needs to be done repairing that damage. Some common types of damage include broken capacitors, cracked solder joints due to overheating, shorts between traces caused by heavy vibration or shock from dropping your laptop while plugged into an outlet (everyone’s favorite), etc…

How long does a motherboard last?

A normal motherboard cab last 3-7 years. The life of a motherboard is determined by the type of power supply it has. If you have a motherboard with an “ATX” form factor, then your motherboard will last for about three to five years on average before needing replacement. For instance, Intel recommends that if you’re using their motherboards and are running them at 100% capacity all the time, then they recommend replacing them every 36 months.

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