In fact, the main components on the mainboard are the chipset, bus, input and output interfaces and power connectors.

Mainboard Functions:

1. Connecting those core components such as CPU and memory through the bus and chipset and forming the core of the computer;

2. Receiving and distributing the power provided by the computer power supply and supplying power to the above core components;

3. Receiving the power-on switch and the operating system to start, shut down, restart, standby and hibernate operations;

4. Connecting the hard disk, optical drive, keyboard, mouse, display and other devices to the bus.

In a nutshell, the mainboard provides a convenient installation platform for CPU, memory, hard disk, optical drive, keyboard, mouse, display and other components, because the above components are directly or indirectly connected to it.