The main
circuit board of a computer. The motherboard contains the connectors for
attaching additional boards. Typically, the motherboard contains the CPU, BIOS, 184 PIN DDR memories, ULTRA –IDE drive controller serial and
parallel ports, PCI expansion slots,
and all the controllers required to control standard peripheral devices.
Collectively, all these chips that reside on the motherboard are known as the
motherboard’s chipset.
ATX
motherboard is more popular and has the small advantage that it allows
automatic power- off on shut down.
Latest
Pentium 4 motherboards include 184 pin DDR
memory slots, 478 processor socket, AGP(Accelerated Graphics ports) slots for
graphics card, USB port( (U)niversal (S)erial (B)us). New Pentium 4 motherboard
has 400MHz OR 433MHz SYSTEM BUS Speed.
The BIOS (Setup program), an acronym for
basic Input/output system, is a vital part of a computer’s system, without which
nothing can work. Note that if you see the term CMOS in relation to the BIOS,
or even mistakenly used as a term for the BIOS,
this stands for complementary metal-oxide-semiconductor. This is the material
that the BIOS chip is made of, it is
not the chip itself – or any of its contents. The BIOS program is the first component to start up when you switch a
computer on. When the BIOS program
runs, it uses a mathematical technique called the “checksum” to make sure the code
it contains is sound. If the code fails to pass the checksum test, the BIOS reverts to using its built-in
default settings.
1 comments:
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