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25175H—March 2003
5
CPUID Support
Chapter 5
Preliminary Information
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™
Addendum, order# 21922
AMD Athlon™ and AMD Duron™ Processors BIOS, Software,
and Debug Developers Guide, order# 21656
CPUID Support
AMD Athlon™ XP Processor Model 8 Data Sheet
Processor
Recognition
Application
Note
19
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