Do you know how the motherboard works?

The main board, also called the motherboard, the system board, the logic board, the motherboard, the backplane, etc., is the center or main circuit board that constitutes a complex electronic system such as an electronic computer.

A typical motherboard provides a range of junctions for devices such as processors, graphics cards, sound cards, hard drives, memory, and external devices. They are usually plugged directly into the relevant slots or connected by wires. The most important component on the motherboard is the Chipset. The chipset usually consists of the North Bridge and the South Bridge, and some are designed with a single-chip microcomputer to enhance its performance.

These chipsets provide a common platform for the motherboard to connect to different devices and control the communication of different devices. It also includes support for different expansion slots, such as processors, PCI, ISA, AGP, and PCI Express. The chipset also provides additional features for the motherboard, such as integrated nucleus, integrated sound card (also known as built-in nucleus and built-in sound card). Some high-priced motherboards also integrate infrared communication technology, Bluetooth and 802.11 (Wi-Fi).

Working principle: Under the circuit board, there are 4 layers of circuit wiring; on the top, it is the division of the various components: slot, chip, resistor, capacitor and so on. When the host is powered on, the current will pass through the CPU, north-south bridge chip, memory slot, AGP slot, PCI slot, IDE interface, serial port, parallel port, PS/2 interface on the edge of the motherboard. Subsequently, the motherboard will identify the hardware according to the BIOS (Basic Input Output System), and enter the operating system to play the role of supporting the system platform.

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