Functions, design standard and block diagrams of the mainboard

This post is lesson 14 of 42 in the subject Computer Hardware

If CPU is like as the brain of the computer, mainboard is like as the backbone of the computer. This article will introduce about mainboard, mainboard types and block diagram of mainboard.

1. Function of mainboard

Mainboard is the main circuit to link  all components and peripherals into a computer. Mainboard also called motherboard or systemboard.

Mainboard Desktop

2. Types of Desktop mainboards

Motherboard AT (Advanced Technology): It is an old mainboard which has a small size, often used for CPU Intel 486 and Intel Pentium II.

Mainboard ATX

Mainboard ATX (Advanced Technology Extended): easily attach expansion boards and use ATX power supply unit.

Design of mainboard ATX
Mainboard ATX

Mainboard BTX (Balanced Technology Extended): used for high-end personal computers with good cooling system.

Design of mainboard BTX
Mainboard BTX

The above types of mainboards are intended for Desktop mainboards. And Laptop mainboards have their own designs.

Mainboard Laptop

3. Block diagram of mainboard

Mainboard’s block diagram let us know how components on the motherboard are linked together.

Block diagram of mainboard

The motherboard consists of many components:

  • Socket
  • Chipset
  • Bus system
  • RAM slot
  • Expansion slot
  • Rear panel
Components of mainboard
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Posted by Vinh Le

Composer at ITLearningCorner.

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