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Classification of Motherboards by Form Factor
A motherboard form factor is a standard that defines the dimensions of a motherboard for a personal computer, its mounting points within the case, the arrangement of bus interfaces, input/output ports, the CPU socket (if present), and slots for RAM, as well as the type of connector for connecting the power supply.
A form factor (like any other standard) is advisory in nature. The form factor specification defines mandatory and optional components. However, the vast majority of manufacturers prefer to adhere to the specification, as the price of compliance with existing standards is the compatibility of the motherboard and standardized equipment (peripherals, expansion cards) from other manufacturers.
* Obsolete form factors include: Baby-AT; Mini-ATX; full-size AT; LPX.
* Modern form factors include: ATX; microATX; Flex-ATX; NLX; WTX, CEB.
* Emerging form factors include: Mini-ITX and Nano-ITX; Pico-ITX; BTX, MicroBTX, and PicoBTX
There are motherboards that do not conform to any of the existing form factors (see the table). This is usually due to the fact that the computer being manufactured is highly specialized, or the motherboard manufacturer wants to produce its own peripherals for it, or it is impossible to use standard components (so-called "brands," such as Apple Computer, Commodore, Silicon Graphics, Hewlett Packard, and Compaq, more often ignored standards; in addition, the current distributed production market only formed by 1987, when many manufacturers had already created their own platforms).
The most well-known motherboard manufacturers in the Russian market today are Asus, Gigabyte, Intel, Elitegroup, and MSI. Previously, Abit and Epox boards were also well-known, but their share in the Russian market is now small. Among Russian motherboard manufacturers, only Formoza can be mentioned, which produced boards using components from Lucky Star and Albatron.
A motherboard form factor is a standard that defines the dimensions of a motherboard for a personal computer, its mounting points within the case, the arrangement of bus interfaces, input/output ports, the CPU socket (if present), and slots for RAM, as well as the type of connector for connecting the power supply.
A form factor (like any other standard) is advisory in nature. The form factor specification defines mandatory and optional components. However, the vast majority of manufacturers prefer to adhere to the specification, as the price of compliance with existing standards is the compatibility of the motherboard and standardized equipment (peripherals, expansion cards) from other manufacturers.
* Obsolete form factors include: Baby-AT; Mini-ATX; full-size AT; LPX.
* Modern form factors include: ATX; microATX; Flex-ATX; NLX; WTX, CEB.
* Emerging form factors include: Mini-ITX and Nano-ITX; Pico-ITX; BTX, MicroBTX, and PicoBTX
There are motherboards that do not conform to any of the existing form factors (see the table). This is usually due to the fact that the computer being manufactured is highly specialized, or the motherboard manufacturer wants to produce its own peripherals for it, or it is impossible to use standard components (so-called "brands," such as Apple Computer, Commodore, Silicon Graphics, Hewlett Packard, and Compaq, more often ignored standards; in addition, the current distributed production market only formed by 1987, when many manufacturers had already created their own platforms).
The most well-known motherboard manufacturers in the Russian market today are Asus, Gigabyte, Intel, Elitegroup, and MSI. Previously, Abit and Epox boards were also well-known, but their share in the Russian market is now small. Among Russian motherboard manufacturers, only Formoza can be mentioned, which produced boards using components from Lucky Star and Albatron.
