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18 Power Management Chapter 4
AMD Athlon™ XP Processor Model 8 Data Sheet 25175H—March 2003
Preliminary Information
4.3 Clock Control
The processor implements a Clock Control (CLK_Ctl) MSR
(address C001_001Bh) that determines the internal clock
divisor when the AMD Athlon system bus is disconnected.
Refer to the AMD Athlon™ and AMD Duron™ Processors BIOS,
Software, and Debug Developers Guide, order# 21656, for more
details on the CLK_Ctl register.