AMD OPTERON 30925 Specifications download pdf (Page 9)

30925 Rev. 3.04 February 2004

Builder’s Guide for AMD Opteron™ Processor-

Based Servers and Workstations

Chapter 1

AMD Opteron™ Processor Key Architectural Features 9

Chapter 1 AMD Opteron™ Processor Key

Architectural Features

The key architectural features of an AMD Opteron™ processor-based system include AMD64

architecture, integrated DDR DRAM memory controller, HyperTransport™ technology, and many

other features.

Figure 1 shows a block diagram of the AMD Opteron processor architecture.

Figure 1. AMD Opteron™ Processor Architecture

1.1 The AMD64 Architecture

AMD64 architecture allows end users to run existing, installed 32-bit applications and operating

systems at peak performance, while providing a migration path that is 64-bit capable. It is

designed to enable 64-bit computing while remaining compatible with the vast x86 software

infrastructure. AMD64 architecture represents a new class of computing, enabling a single

architecture across 32- and 64-bit environments.

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AMD OPTERON 30925 Specifications Page 9