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Appendix A Microarchitecture for AMD Athlon™ 64 and AMD Opteron™ Processors 261
Software Optimization Guide for AMD64 Processors
25112 Rev. 3.06 September 2005
When compared with traditional technologies, HyperTransport technology allows much faster data-
transfer rates. For more information on HyperTransport technology, see the HyperTransport I/O Link
Specification, available at www.hypertransport.org.
HyperTransport™ Technology
On AMD Athlon 64 and AMD Opteron processors, HyperTransport technology provides the link to
I/O devices. Some processor models—for example, those designed for use in multiprocessing
systems—also utilize HyperTransport technology to connect to other processors. See the BIOS and
Kernel Developer's Guide for your particular processor for details concerning HyperTransport
technology implementation details.