• The main circuit board which connects all the device on a microcomputer; Also called main board or system board.
Motherboard contd... • Chipset – The chipset controls the system and its capabilities. It is the hub of all data transfer. – Chipsets are integrated, and are not upgradable without buying a whole new motherboard. – Some of the items it dictates Memory controller Real-time clock Keyboard and mouse controller Secondary cache controller PCI bridge EIDE controller
• Motherboards are designed for specific Processors. A single motherboard cannot be used with different types of Processors. • The different system bus speeds supported by the Motherboard should be of prime consideration.
• Form Factors – The form factor is the physical size and dimensions of the motherboard. The form factor determines the general layout, size, and feature placement on a motherboard. Baby AT ATX Proprietary
• Onboard devices - Video/Audio/LAN – Lower cost. – Lesser Flexibility. • Upgradability – Bus speeds supported. – Number of expansion slots. – Number and Types of IO ports available.
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