TYAN S5652 - Page 147

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147
3.4.6.5 CPU Advanced PM Tuning
Power Performance Tuning
Options decide who Controls EPB. In OS mode: IA32_ENERGY_PERF_BIAS is
used In BIOS mode:
ENERGY_PERF_BIAS_CONFIG is used In PECI mode: PCS53 is used
OS Controls EPB / BIOS Controls EPB / PECI Controls EPB