TYAN S5642 Manual page 86

Override IOUx bifurcation if required
Disabled / Enabled
3.3.9.5 Advanced Power Management Configuration
CPU P State Control
P State Control Configuration Sub Menu, include Turbo, XE and etc.
Hardware PM State Control
Hardware P-State setting
CPU C State Control
CPU C State setting.
SOCKET RAPL Config
SOCKET RAPL Configuration Sub Menu – TURBO_POWER_LIMIT CSR & MSR
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