Updating the motherboard Xxx zwifex

A motherboard provides the electrical connections by which the other components of the system communicate.

Unlike a backplane, it also contains the central processing unit and hosts other subsystems and devices.

Modern motherboards include: Additionally, nearly all motherboards include logic and connectors to support commonly used input devices, such as USB for mouse devices and keyboards.

Early personal computers such as the Apple II or IBM PC included only this minimal peripheral support on the motherboard.

This board has few onboard peripherals, as evidenced by the 6 slots provided for ISA cards and the lack of other built-in external interface connectors.

Note the large AT keyboard connector at the back right is its only peripheral interface.

The most popular computers of the 1980s such as the Apple II and IBM PC had published schematic diagrams and other documentation which permitted rapid reverse-engineering and third-party replacement motherboards.

Given the high thermal design power of high-speed computer CPUs and components, modern motherboards nearly always include heat sinks and mounting points for fans to dissipate excess heat.

Motherboards are produced in a variety of sizes and shape called computer form factor, some of which are specific to individual computer manufacturers.

Business PCs, workstations, and servers were more likely to need expansion cards, either for more robust functions, or for higher speeds; those systems often had fewer embedded components.

Laptop and notebook computers that were developed in the 1990s integrated the most common peripherals.

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