Motherboards are quite complex components. Essentially, each PC contains one, and it plays a lot of diverse roles. So why is a motherboard important? The modern motherboards are basically the major element of a computer. 

If the CPU is the brain, then the motherboard is the PC’s body. Earlier PCs did not have motherboards, but they still functioned utilizing backplanes. Such were passive boards that had no basic I/O chips or controllers installed. 

The modern boards are the active devices as they come with numerous dedicated controllers for diverse parts and interfaces like PCIe, SATA, etc. PCs today would not be what they’re actually today without the boards, as it serves as the major communication channel between diverse devices.

Get Latest Guide on Motherboard For Ryzen 9 5900X (Top 5 Picks)

Importance Of A Motherboard:

There are a lot of significant reasons which make the motherboard an extremely significant part of the PC, which are stated as follows:

  • Handles Different Tasks Simply:

A motherboard has an extremely significant part which is called the system clock. It makes sure that the other parts are synchronized on your motherboard and that they do their job when it’s needed. 

It averts pointless signals and keeps harmonization among diverse tasks on a motherboard. These parts can just work when your system clock is high, and when it’s low, they stop functioning. This change takes place several times in a sec, so it goes unnoticed.

  • Connects Parts To The Power Supply:

Since a motherboard is the major contact point for all the PC parts so it can also control the major power supply connections that are offered to the other parts of a PC, the connectors for the power supply are given on your motherboard, which supplies power to your RAM, chips, CPU, Southbridge, Northbridge, and other controllers. However, if the PC has large companies, such as the graphics card, and Hard Disk Drive, then they’ll need a separate power supply. Motherboard supplies power to the output and input ports.

  • Controls The Hardware:

A motherboard cautiously controls your hardware expansion. This capacity differs among diverse motherboards, which denotes that you ought not to expect that each motherboard has the same capability of hardware extension. When you purchase a big motherboard, you’ll acquire several expansion slots, and alternatively, if the motherboard is small, then it’ll have very few expansion slots. 

If you desire to connect different external storage devices and external hardware such as a keyboard and mouse, then you’ll also acquire external ports to connect such devices. All such devices are then controlled by your motherboard so that it can also control the hardware expansion.

  • BIOS Chip:

A motherboard also comes with a BIOS chip that performs all the significant tasks and controls the PC settings. It’s impossible to boot your PC without the BIOS chip. It’s the first program accessed by your processor when you boot the PC. Its main function is to manage the data flow from your mouse, keyboard, and the other input devices and the output, such as the monitor.

  • Connects Other Parts:

Another significant function of a motherboard is that it effectively connects all the other parts of a PC. Whether the parts are large or small, they’ll be connected to guarantee the successful processor’s performance. 

It also offers complete access to all the different PC resources when they’re required. Aside from external parts, a motherboard itself has different parts like the buses that take signals from one controller to the other numerous controllers such as Southbridge and Northbridge

  • CMOS Battery:

It maintains the system configuration even if a PC is turned off. It can keep the CMOS chip in its position. A motherboard can control the battery. It assists in keeping the clock running even if a PC is switched off.

Importance Of A Motherboard In Gaming:

For simple and swift accessibility during gaming, evaluation of the spec of the parts for exceptional and satisfactory outputs is the principal job. Selecting the Central Processing Unit (CPU) is the main thing to do, so as for playing games of the most effective quality. 

The 2nd necessary part is the usage and accessibility of a motherboard, which assists in commendable gaming. The motherboard’s efficiency assists communication and data statistics transmission among the different electrical devices and also the exteriors.

The power delivery to all or any of the parts of a system answers the question, Why the motherboard is extremely significant in gaming. The basic input/output system (BIOS) of a motherboard assists in increasing the clock speed of the cooling procedure within a CPU. 

It ends up in overclocking, which assists in inducing the task to be accomplished faster without lowering performance and efficiency. For smooth working of a gaming system, the processor and, therefore, the RAM ought to be suited to your motherboard.

Must Check: DRAM Light On Motherboard


In brief, a motherboard is significant for a PC in different ways. A motherboard is vital for the PC to function well with optimization. A motherboard is a PCB having a great expanding capability and also; has a lot of components of a PC connected to it. It comes with a CPU that hosts diverse subsystems and devices. It plays an essential role in the everyday functioning of a PC and defines the gaming experience to a huge extent.

Also Read:

Frequently Asked Questions

Why Do You Require A Good Motherboard?

Since a motherboard is a vital circuit that interconnects all peripherals and parts to a PC system, a proper and good motherboard guarantees and grips the audio capacitors, CPU, RAM, PCIe slots, and other parts in the proper place.

Does A Motherboard Affect A PC's Speed?

It’s the memory that directly affects a PC’s speed—the motherboard functions as the holder of all essential parts, comprising RAM. So, there’s an indirect influence on your motherboard when it comes to the speed of a PC.

Does A Cheap Motherboard Matter?

There’s nothing wrong if you choose a cheap board until you’re not overclocking your CPU. But, if you’re investing in some cheap board for video graphic designing, editing, or gaming purposes, you might need to purchase another one soon.

What’s The Motherboard Driver? Is It Significant?

A motherboard driver is a vital part of a PC system that retains all the important processes of a PC. It’s more like a software interface that can connect the software and hardware system of a PC. It’s significant as it can connect the hardware and software of a PC.

Which Is More Prior Significant Motherboard Or Processor While Building A Computer?

It’s a tricky question. For diverse individuals, this answer may get different. But, before placing your motherboard, installing your processor would be a great decision. You have to install the RAM, GPU, CPU cooler, and CPU before installing your motherboard to keep everything on track.