MSI X299 XPOWER GAMING AC Quick Start Manual page 68

fC1E Support [Disabled]
Enables or disables the C1E function for power-saving in halt state. This item
appears when Intel C-State is enabled.
[Enabled]
[Disabled]
fPackage C State Limit [Auto]
This item allows you to select a CPU C-state level for power-saving when system is
idle. The options of C-state depend on the installed CPU. This item appears when
Intel C-State is enabled.
fCFG Lock [Enabled]
Lock or un-lock the MSR 0xE2[15], CFG lock bit.
[Enabled]
[Disabled]
fLong Duration Power Limit (W) [Auto]
Sets the long duration TDP power limit for CPU in Turbo Boost mode.
fLong Duration Maintained (s) [Auto]
Sets the maintaining time for Long duration power Limit(W).
fShort Duration Power Limit (W) [Auto]
Sets the short duration TDP power limit for CPU in Turbo Boost mode.
fCPU Current Limit (A) [Auto]
Sets maximum current limit of CPU package in Turbo Boost mode. When the
current is over the specified value, the CPU will automatically reduce the core
frequency for reducing the current.
fInternal VR OVP OCP Protection [Auto]
Enables or disables the over-voltage protection and over-current protection for
CPU internal VR (Voltage Regulator).
[Auto]
[Enabled]
[Disabled]
fInternal VR Efficiency Management [Auto]
Enables or disables the CPU internal VR efficiency management.
[Auto] This setting will be configured automatically by BIOS.
[Enabled] Enables the VR effciency management for power-saving control.
[Disabled] Disables this function.
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BIOS Setup
Enables C1E function to reduce the CPU frequency and voltage for
power-saving in halt state.
Disables this function.
Locks the CFG lock bit.
Un-locks the CFG lock bit.
This setting will be configured automatically by BIOS.
Enables the limitation of internal VR for over-voltage protection and
over-current protection.
Disables this function for overclocking.