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Chapter 5 CPUID Support 19
25175H—March 2003 AMD Athlon™ XP Processor Model 8 Data Sheet
Preliminary Information
5 CPUID Support
AMD Athlon™ XP processor model 8 version and feature set
recognition can be performed through the use of the CPUID
instruction, that provides complete information about the
processor—vendor, type, name, etc., and its capabilities.
Software can make use of this information to accurately tune
the system for maximum performance and benefit to users.
For information on the use of the CPUID instruction see the
following documents:
■ AMD Processor Recognition Application Note, order# 20734
■ AMD Athlon™ Processor Recognition Application Note
Addendum, order# 21922
■ AMD Athlon™ and AMD Duron™ Processors BIOS, Software,
and Debug Developers Guide, order# 21656