Definition
A motherboard is one of the most essential parts of a computer system, located on the back side or at the bottom of the computer chassis. It holds together many of the crucial components of a computer, including the central processing unit (CPU), read only memory (ROM), random access memory (RAM), hard drives and connectors for input and output devices.
A motherboard is one of the most essential parts of a computer system, located on the back side or at the bottom of the computer chassis. It holds together many of the crucial components of a computer, including the central processing unit (CPU), read only memory (ROM), random access memory (RAM), hard drives and connectors for input and output devices.
In addition to circuits, a motherboard contains a number of sockets and slots to connect the other components. The first motherboard is considered to be one used in the IBM Personal Computer, released in 1981. At the time, IBM referred to it as a "planar" instead of a motherboard. The IBM Personal Computer and the motherboard inside it would set the standard for IBM-compatible computer hardware going forward. Popular motherboard manufacturers include ASUS, AOpen, Intel, ABIT, MSI, Gigabyte, and Biostar.
Compatibility
Different motherboards support different types of CPUs, memory, disks drives, video cards and other peripherals. If you are attempting to replace a motherboard, make sure that all the components are compatible with the slot and connector types available on the motherboard. For instance, the CPU socket on a motherboard will vary depending on whether it supports Intel or AMD and also varies among CPUs by the same maker. Disk drives have different connectors and standards as well. Most commonly, a motherboard can support IDE, SATA or both. The slots for expansion cards will vary as well with later versions of PCI Express being the fastest. To determine what motherboards work best with what hardware and what motherboards to avoid, read discussions and reviews on computer hardware forums.
Dimensions
Compatibility
Different motherboards support different types of CPUs, memory, disks drives, video cards and other peripherals. If you are attempting to replace a motherboard, make sure that all the components are compatible with the slot and connector types available on the motherboard. For instance, the CPU socket on a motherboard will vary depending on whether it supports Intel or AMD and also varies among CPUs by the same maker. Disk drives have different connectors and standards as well. Most commonly, a motherboard can support IDE, SATA or both. The slots for expansion cards will vary as well with later versions of PCI Express being the fastest. To determine what motherboards work best with what hardware and what motherboards to avoid, read discussions and reviews on computer hardware forums.
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| Different socket requires different motherboard |
Dimensions
Most motherboards come in one of three sizes:
- ATX - Measures 12 x 9.625 inches. This is the standard and biggest. As such, it’s the best choice for features and expansion.
- Micro-ATX - Measures 9.625 x 9.625 inches.
- Mini-ITX - Measures 6.75 x 6.75 inches. The smallest option. Used in compact PCs.
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| ATX vs Micro-ATX vs Mini-ITX |
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