Classification of System Boards

System boards, also known as motherboard or planner board is the most important component in a computer. Typically all the circuits and hardware devices are connected to the system board. There are two types of system board such as integrated system board and non-integrated system board. In integrated motherboards, most common circuitry is integrated with the motherboard. Whereas non-integrated motherboards, disk controllers and accessories are connected as expansion cards.

Classification:

Based on the designing factors, system boards are classified into the following.

ATX (Advanced Technology Extended)

In ATX, the processor and memory slots are located perpendicular to the expansion cards. Full length expansion cards can be installed easily.

Micro ATX (Advanced Technology Extended)

Micro ATX is similar to that of ATX design but it has been reduced 20% from the size of ATX. The expansion slots are also reduced to 4 or 5.

Extended ATX (Advanced Technology Extended)

These system boards are little larger than ATX where it has up to 9 expansion slots. These boards are used for high end operations and processors.

NLX (New Low-Profile Extended)

This is one of the successful trends applied in system boards. The size of the system board is reduced without reducing the number of expansion slots. A special riser card is used to place the expansion slots such as ISA and PCI in sideways.

Balanced Technology Extended (BTX)

BTX is developed by Intel to minimize the heat produced by the powerful processors of new generation. Effective lining up of processors and heat producing components with the heat skin fan on the top of CPU has relatively reduced the overall heat produced.

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