Alternatively referred to as the mb, mainboard, mboard, mobo, mobd, backplane board, base board, main circuit board, planar board, system board, or a logic board on to apologize computers. The motherboard is a published circuit plank and foundation of a computer that is the best board in a computer chassis. It allocates power and enables communication to and also between the CPU, RAM, and also all other computer hardware components.

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Motherboard overview

A motherboard gives connectivity between the hardware components of a computer, prefer the processor (CPU), storage (RAM), difficult drive, and video clip card. There space multiple species of motherboards, designed to fit different types and sizes of computers.

Each kind of motherboard is designed to work-related with specific varieties of processors and also memory, so they don"t job-related with every processor and kind of memory. However, difficult drives are largely universal and work v the bulk of motherboards, regardless of the type or brand.

Below is a snapshot of the ASUS P5AD2-E motherboard with labels next to each of its significant components. Click the image directs you to a larger and much more detailed version.


Where is the motherboard located?

A computer motherboard is located inside the computer case and also is where many of the parts and also computer peripherals connect. With tower computers, the motherboard is ~ above the left or appropriate side that the tower and also is the greatest circuit board.

Motherboard components

Below are web links to pages with more details for each of the motherboard contents mentioned in the ahead section. The web links are listed in clockwise order beginning from the top-left edge of the image. Components not labeling on the image above are discovered in sections afterwards this page.

Older motherboard components

The complying with list contains links to components that room not shown in the picture above or were component of older computer system motherboards.

Motherboard type factors and types

As computer systems advanced, so have motherboards. Listed below is a list of the miscellaneous motherboard type factors and extr information around each, including ATX, i m sorry is the most common.

How numerous connections, ports, or slots room on a motherboard?

There"s no set standard to how plenty of connections, ports, or expansion slots are on a motherboard. The best an approach of determining how many connections, ports, or slot are easily accessible for your motherboard is to look up the specifications contained in that is documentation. If you"ve lost or discarded your motherboard"s documentation, girlfriend can frequently download a totally free PDF variation from the manufacturer"s website.

Why room the slots and connections different colors?

The slots, ports, and connections on a motherboard might be color-coded to help identify the kind of slot, port, or connector. For example, through our motherboard picture, the concept connectors are various colors to help identify the major and secondary connectors. Once the memory slot are different colors, it indicates the memory slots are dual-channel, and pairs of memory need to be set up on the exact same channel (color). Because that example, in ours picture, the yellow storage slots room Channel A, and also Channel B space the black slots. If girlfriend were only installing two memory sticks, you"d desire to install both of them in Channel A (yellow slots) because that optimal performance.


See our color-coded web page for information and also examples of the color of the ports on the earlier of the motherboard.

How walk a motherboard affix to a computer case?

A computer motherboard connects to a desktop computer computer instance using standouts. Once the motherboard is attached come the case, all various other devices affix to the motherboard itself or an growth card.

What was the first motherboard?

The very first motherboard is thought about to it is in one offered in the IBM an individual Computer, exit in 1981. In ~ the time, IBM called it a "planar" instead of a motherboard. The IBM personal Computer and the motherboard within it would set the conventional for IBM-compatible computer system hardware walking forward.

Since over there is a motherboard, is over there a fatherboard?

No, there is no such point as a fatherboard when referring come a computer. However, over there is such a point as a daughterboard.

Where go the motherboard acquire its name?

The daughterboards we pointed out in the previous section are circuit boards the all plug into one larger central circuit board; a motherboard. The smaller sized boards deserve to be believed of together the key board"s "children," hence the name motherboard.

Are Dell, HP, and also other OEM motherboards different?

Yes, OEM motherboards from manufacturers favor Dell and also HP space slightly various than various other motherboards you"d uncover from a retailer. An OEM designs your motherboard because that their requirements for each model of computer. Part OEMs may also make drastic transforms that go past the usual motherboard form factor. However, return an OEM motherboard may have actually it"s differences, visually they regularly look an extremely similar. Also, if there hasn"t been too numerous changes, it may be feasible to change the OEM motherboard v a sleeve motherboard. For OEM computer systems with lots of distinctions that need replaced, you"ll require a instead of from the OEM or with a third-party that sells parts from offered computers.

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Is over there a motherboard in a laptop, smartphone, and tablet?

Yes, return the plank is often referred to together a "logic board" and not a motherboard. The logic plank is very comparable to a motherboard and also operates the same way. However, because of size demands with most logic boards, materials like the processor and RAM (in tablets and smartphones) space soldered ~ above the board. Also, since many that these gadgets have no update options, there space no slot or sockets choose a classic computer motherboard.