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A HyperTransport (HT) bus is a bus technology developed by AMD Inc. and used in microprocessors as a low-latency, high-speed, point-to-point link specifically designed to increase the communication speed between the components in a computer system, servers, embedded systems, and networking and telecommunications equipment at up to 48 times compared to older or existing transport technology.
HyperTransport is packet-based, and it sends data in a packet that consists of 32-bit words. It also has power management and is compliant with advanced configuration and power interface specifications. It was designed to:
HyperTransport is handled by the HyperTransport Consortium, which includes AMD Inc., Apple Inc., NVIDIA Corp. and CISCO Inc. among many others.
A HyperTransport bus may also be known as a lightning data transport (LDT) bus.
HyperTransport is AMD’s solution for increasing performance. This is accomplished through parallel communication between the memory and other board peripherals. Because the memory and CPU are in constant communication, they require a dedicated bus structure. However, because the other bus has to support all other parts of the board, it has to be fast, and this is what HyperTransport was designed for.
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