文档介绍：IA-32 Intel® Architecture
Software Developer’s
Manual
Volume 3:
System Programming Guide
NOTE: The IA-32 Intel Architecture Software Developer’s Manual
consists of four volumes: Basic Architecture, Order Number
253665; Instruction Set Reference A-M, Order Number 253666;
Instruction Set Reference N-Z, Order Number 253667; and the
System Programming Guide, Order Number 253668. Refer to all
four volumes when evaluating your design needs.
Order Number: 253668-016
June 2005
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Developers must not rely on the absence or characteristics of any features or instructions marked "reserved" or
"undefined." Improper use of reserved or undefined features or instructions may cause unpredictable behavior or
failure in developer's software code when running on an Intel processor. Intel reserves these features or instructions
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unauthorized use.
The Intel® IA-32 architecture processors (., Pentium® 4 and Pentium III processors) may contain design defects or
errors known as errata. Current characterized errata are available on request.
Hyper-Threading Technology requir