Specifications

Revision Guide for AMD Athlon™ 64 and AMD Opteron™ Processors

25759 Rev. 3.79 July 2009

Revision Guide for

AMD Athlon

64 and

AMD Opteron

Processors

The purpose of the Revision Guide for AMD Athlon™ 64 and AMD Opteron™ Processors is to

communicate updated product information to designers of computer systems and software

developers. This revision guide includes information on the following products:

• AMD Athlon™ 64 processor

• AMD Athlon™ 64 X2 dual core processor

• Mobile AMD Athlon 64 processor – includes desktop replacement (DTR)

• AMD Athlon 64 FX processor

• AMD Opteron™ processor

• Dual-Core AMD Opteron processor

• AMD Sempron™ processor

• AMD Turion™ 64 Mobile Technology

• Mobile AMD Sempron processor

• Mobile AMD Athlon XP-M processor

This guide consists of three major sections:

• Revision Determination: This section, starting on page 7, describes the mechanism by which the

current revision of the part is identified.

• Product Errata: This section, starting on page 13, provides a detailed description of product

errata, including potential effects on system operation and suggested workarounds. An erratum is

defined as a deviation from the product’s specification, and as such may cause the behavior of the

processor to deviate from the published specifications.

• Documentation Support: This section, starting on page 100, provides a listing of available

technical support resources.