Motherboard

Alternatively referred to as the mb, mainboard, mobo, mobd, backplane board, base board, main circuit board, planar board, system board, or a logic board on Apple computers. The motherboard is a printed circuit board that is the foundation of a computer, located at the bottom of the computer case. It allocates power to the CPU, RAM, and all other computer hardware components and allows them to communicate with one another.

Below is a graphic illustration of the ASUS P5AD2-E motherboard and some basic explanations of each of the major portions of the motherboard. Clicking on the image below gives you a larger more detailed version of the picture below.

Computer motherboard

Motherboard components

Below is a listing of links that describe each of the above mentioned motherboard components in additional detail. Links are listed in clockwise order going from the top-left corner of the image. Components not listed above or found on other motherboards are listed in the next section.

Other motherboard components

Below is a listing of other motherboard components that are not shown in the above picture or have been part of older computer motherboards.

Motherboard form factors

As computers advanced, so have motherboards. Below is a listing of the various motherboard form factors and additional information about each of these form factors including ATX the most commonly used motherboard form factor today.

Since there is a motherboard, is there a fatherboard?

No, there is no such thing as a fatherboard when talking about a computer. However, there is such a thing as a daughterboard.

Related pages

Also see: Backplane, Form factor, Motherboard terms, Northbridge, Southbridge, Standout