Motherboard Components and Their Functions

Talking about the hardware on a computer system is quite interesting to discuss. There are so many components contained in a computer, at this time we will discuss motherboard components.

The motherboard has a significant role and is a place/connector for various other types of hardware. Hardware has many components and different functions that may not know, the motherboard has the task of managing technical matters. Examples of motherboard components such as BIOS (Basic Input Output System), Chipset (Regulator of input and output connections), RAM (Temporary Storage), VGA (Memory graphic), Processor, and Additional Cards (PCI, ISA).

Motherboard Components

These are some of the motherboard components that you can identify and learn their functions so as not to be wrong in installing or using them.

CPU Socket (Processor Socket)

(CPU Socket)

A CPU socket is a place to install a processor. Physically, This socket is surrounded by 4 holes which are used to support the heatsink fan. Each type of processor has a different socket so it will not match other types of processors, but there are also some that have a suitable socket. Therefore, choosing a motherboard is also very important.

Memory Slot (RAM)

(Memory Slots)

One computer hardware component is used to place the RAM memory slot. This slot is generally elongated and has a clamp on the side. As for each type of RAM starting from DDR1, DDR2, DDR3, and DDR4 have different socket types, make sure when you buy RAM it must match the memory slot on the motherboard.

IDE & SATA Slots

(IDE & SATA Slots)

IDE and SATA have different shapes, but still have the same function which is used as a liaison between HDD or CD-ROM to the motherboard. IDE is usually found on older versions of computer components, but also on some of the newest versions of computer components.

PCI and PCI Express x1 Slots

(PCI and PCI Express x1 Slots)

The PCI slot is a 32-bit version while Express x1 is a 64-bit version. This is a standard local bus that is used to install several types of additional peripherals, such as VGA Card, Sound Cards and others.

AGP Slots

(AGP Slots)

A high-speed point-to-point channel dor connecting a video card (graphic card) to a computer system. Its main function is to assist in the acceleration of 3D computer graphics.

BIOS Chipset


BIOS (Basic Input Output System) is a chhip created to be used as a hardware controller installed on a computer. This BIOS has an important role in the readiness of the computer to boot and then check the hardware installed on the computer.

But now, BIOS is replaced by UEFI which comes with the latest more advanced technology. The form od BIOS or UEFI is a chip and has an uncertain place on each type of component in the computer motherboard.

CMOS Battery


CMOS (Complementary Metal Oxide Semiconductor) is a small battery on a motherboard that is used to power the bios and store all the setting on bios. The shape of the CMOS battery on the components on the motherboard is like a watch battery, but larger. If this battery is unplugged it will reset BIOS settings to default.

Power Connector

The power Connector has a role as a liaison between the power supply and motherboard to get electrical power. Usually, the number of pin is 20-24.

Storage Drive Connector


Storage Drive Connector functions to connect storage devices such as Harddisk Drive, Optical Drive, SSD, and external storage other. It is usually a SATA (Serial Advanced Technology Attachment) interface.

Front Panel Cable Pins


The front panel cable pin is used as a place to install the power button, restart button, power LED, and hard drive LED.

Each type of motherboard has a different layout according to the manufacturer. I hope this article about motherboard components can be useful for all of you.


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