by Jayaram V
The system board is also known as the mother board. It is the most
component of a computer. Its primary purpose is to house the
central processing unit or the CPU and facilitate cross communication
among all other the devices in the computer and also between them
and itself. There are basically two types of system boards each having
two sub types: AT, Baby
AT, ATX and Mini ATX. The AT system board is older than ATX and has
limited power management features. ATX was developed by Intel for Pentium
Every device in the
computer interacts with the mother board in some way or the other to make the
computer work properly. A mother board therefore usually comes with several other
components already attached to it. So when you want to buy a mother
board you have to consider what you will be getting along with the bare
board and pay attention to the following.
What type and speed CPU
What type of chipset
Type and size of memory cache
Type of memory- ECC, EDO, SDRAM, SIMM etc.
Type and number of expansion slots
How much memory you can install and how much you
The type of computer case need to carry it.
What type of ports you can expect
How the input and output devices will connect to
What types of video and audio cards can be used
Your decision to buy a computer or a system board should be based upon
current requirements and future needs and involves selecting one of
the following three options.
Selecting a mother board that meets with your current requirements
as well as future needs with scope for substantial expansion or
Selecting a mother board that is just enough for your current needs.
Selecting a mother board that meets with your current needs as
well as some of your future needs with
moderate scope for expansion or upgrade.
Once this is done, pay attention to the other aspects of a mother
Type and speed of the Central Processor Unit, which is a kind of CPU pulse rate
usually measured in
megahertz. The higher the speed the lesser would be the
processing time. Unless you are trying to assemble your mother board
on your own by buying a CPU, you do not have to worry about the
compatibility and performance issues arising out of processor speed
and and mother board performance. The manufacturers of motherboard
would usually take care of the synchronicity between the two.
How the expansion slots are located and whether they will
interfere with future expansion.
What types of CPU's , memory and system BIOS can it the
system board support.
Does it have any embedded devices such as video cards which may
interfere with its performance and expansion in future.
Does the Board fit in properly in the computer case and easy to
access once all the components are in place?
Other considerations are terms and conditions of manufacturer's
warranty, documentation and what support you can expect from the
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