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What is the design of the Accelerated Hub Architecture?

- The fast end of the hub, called the North Bridge, contains the graphics and memory controller. It connects directly to the processor via a 64-bit bus, known as the Front Side Bus (FSB), system bus, or host bus.

- The slower end of the hub, called the South Bridge, contains the I/O controller hub (ICH). All I/O (input/output) devices, except video, connect to the hub using the slower South Bridge.

Answer :

The description provided in the question refers to the design of the Intel Hub Architecture (IHA), also known as the Intel Accelerated Hub Architecture (AHA).

The Intel Hub Architecture is a computer architecture designed by Intel to improve the performance and flexibility of I/O operations in personal computers. It was introduced in 1998 as a replacement for the previous Industry Standard Architecture (ISA) and Peripheral Component Interconnect (PCI) buses.

The IHA consists of two main components: the North Bridge and the South Bridge. The North Bridge is responsible for managing high-speed operations, such as the memory controller and graphics interface, and connects directly to the processor using a high-speed bus called the Front Side Bus (FSB).

The South Bridge, on the other hand, is responsible for managing lower-speed I/O operations, such as USB, Ethernet, and audio, and connects to the North Bridge using a slower bus called the Hub Interface.

Together, the North Bridge and South Bridge provide a high-performance and flexible architecture for managing I/O operations in modern personal computers.

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