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Winn L. Rosch Hardware Bible, Sixth Edition by Winn L. Rosch

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HyperTransport

The fastest way to send signals inside a computer is via HyperTransport, but HyperTransport is not an expansion bus. It isn't a bus at all. Strictly defined, it is a point-to-point communications system. The HyperTransport specification makes no provision for removable expansion boards. However, HyperTransport is destined to play a major role in the expansion of high-performance computers because it ties the circuitry of the computer together. For example, it can link the microprocessor to the bus control circuitry, serving as a bridge between the north and south bridges in the motherboard chipset. It may also link the video system to the north bridge. Anywhere signals need to move their quickest, HyperTransport can move them. ...

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