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Little About The Parts of the Motherboard

4 min read

Motherboard, or often we are familiar with the name Mobo, Mainboard, MB, or the System-Board is a hardware device in the computer system in the form of PCB (Printed Circuit Board). The Motherboard provides the ‘hub’ on your computer which everything else plugs into. The ‘hub’ function is to connect all components of a PC.  It also provides the first level of management, so, when the computer is switched on, the motherboard figures out what components are where and how to get them all installed and operating. The motherboard can be regarded as the backbone of the computer system, all components must be connected with a computer motherboard, possibly directly or indirectly. Motherboard installed inside the casing with the casing side facing easy-open, and fastened using screws.
Motherboard (Mobo/Mainboard/MB/System-Board)
Motherboard (Mobo/Mainboard/MB/System-Board)
Motherboards are produced in a variety of sizes, some are designed for a specific brand of a particular system. The selection of Motherboard will be limited by one that is compatible with your selected processor and memory. However, most modern Motherboard made ​​for ready fitted to a variety of casing sizes.  So if you have a very expensive processor then you should be looking at the higher end of the motherboards available for that processor. The other factor to consider is which features you want included on your motherboard. Manufacturers will produce many models of boards using the same chip-set, but some will have fewer features than others.

The Parts of the Motherboard

The Parts of the Motherboard
The Parts of the Motherboard


The ‘chip-set’ is the most important part of the motherboard, as it manages the interaction between every part of the computer and the processor. This is the type of chipset that can determine and assess the features and capabilities of a motherboard.

There are two general groups of chipsets that we find in the market. Intel chipset group, which can only be used for Intel and AMD chipsets for AMD processors. Both groups were also subdivided on the various types of generation chipsets are constantly being developed.

Socket / Processor Slots

Socket is the “abode” processor on the motherboard. Same as chipset, this socket also subdivided to various types, depending on the type of processor they support.

BIOS (Basic Input Output System) chip

BIOS is a chip that stores the software to control the hardware and serves as an interface between the hardware and the operating system. BIOS used by a computer to prepare prosess boot (startup) and check the readiness of the system and the hardware when the computer starts.

CMOS (Complimentary Metal Oxide Semicondutor) Battery

CMOS is a battery to supply power to a small memory on the motherboard that serves to store the computer’s configuration settings, time, etc..

Memory Slots

This slot serves as a place-install it in RAM (Random Access Memory). In the era of modern computers, almost all mobo has at least two slots of RAM, even on high-end computer specs there motherboards equipped up to 6 RAM slots.

Slots VGA (Graphic Card/VGA card Slot)

This slot is used to install the components of the VGA card (Graphics card). In modern computers, generally in the form of slots with PCI-Express interface.

Expansion Slots

Expansion slots serves to attach additional devices such as Sound Card, LAN Card, etc..

Storage Drive Connector

Functioning for connecting storage devices such as Hard Disk Drive, Optical Drive, SSD, and external storage devices. Usually in the form of interface or S-ATA and ATA (Serial Advanced Technology Attachment).

Other ports

In addition to the above slots, existing several ports on the motherboard which is very essential functions, including:

  • 24 Pin / 20 Pin Power Port – for connecting motherboard denganPSU (Power Supply Unit).
  • 4pin / 6pin Power Port – to supply power to the processor.
  • Port for the power / reset on the front of the casing.
  • Port for plug USB and Audio on the front of the casing.

The port of the motherboard back panel

In addition to a number of slots and ports above, there is also a part of the motherboard facing the outside casing. This section is called the Back Panel I/O, usually located on the side of a Motherboard position, and facing the behind of your casing.

The ports on the Back panel of Motherboard
The ports on the Back panel of Motherboard

The ports on the back panel of Motherboard:

  • PS / 2 port – The port to connect a mouse / keyboard.
  • USB Port – The port to connect peripherals with USB interface.
  • S / PDIF port – Connect the audio connector S / PDIF
  • RJ-45 Lan port – Connect a network cable LAN
  • Audio Ports – Connect the motherboard to the audio system / speakers.
  • etc…

When choosing a motherboard, the most important thing to observe is compatibility. Make sure your motherboard is compatible with other computer hardware on which you plan specifications.

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