AMD 3200 Revision History - Page 41
P-state, Limit, Changes, Generate, Interrupts
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48063 Rev. 3.18 October 2012 Revision Guide for AMD Family 15h Models 00h-0Fh Processors 608 P-state Limit Changes May Not Generate Interrupts Description P-state limit changes fail to generate interrupts when the target P-state limit is a higher or equal performance Pstate (lower or equal numbered P-state) than the Application Power Management (APM) P-state limit. Potential Effect on System Operating systems monitoring processor P-state capabilities may not be notified of all P-state limit changes, resulting in either one of the following conditions: • The processor runs continuously in a lower performance (higher numbered) P-state than is actually available. • The operating system may request a higher performance (lower numbered) P-state than is actually available. Suggested Workaround BIOS should set MSRC001_1000[16] = 1b. Fix Planned No fix planned Product Errata 41