Expansion Bus

What is an Expansion Bus?

Definition and meaning of Expansion Bus

An growth Bus is an assortment of wires that permits for pc growth with the use of an expansion board, a Printed Circuit Board Inserted into an enlargement slot at the Motherboard or Backplane that provides additional capabilities to a Laptop gadget.

An enlargement bus provides an enter/Output pathway for shifting inFormation between Internal Hardware, such as RAM or the CPU, and enlargement Devices such as a pics card or Sound Card.

What Does Expansion Bus Mean?

There are several Exceptional types of growth buses with various capabilities, together with:

• Industry Standard Architecture (ISA)
• Accelerated Graphics Port (AGP)
• Peripheral Component Interconnect (PCI)
• PCI Express (PCI-X)

One of the early types of growth buses became the ISA, which was used with IBM-like minded Computers. It supported a commUnity card, Video Card or extra Serial Ports. However, the ISA bus had a tendency for bottlenecks and cHanged into changed through the PCI bus. The PCI has faster standards, with a 33 or sixty six MHz bus pace and aid of 32- and sixty four-bit Records paths. The PCI Express bus, which replaced the PCI, is even quicker.

The PCI Interface is used in many present day laptop interfaces and conforms to the neighborhood bus widespread developed via Intel Corporation. Although the PCI Express (and the PCI-Extended) has a faster interface, the PCI is extra commonplace and might also be Discovered on a few versions of Macintosh Computers. Prior to the PCI interface, some PC architectures, such as the Nubus and Macintosh, used their Personal buses.

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