MSI MAG Z390 TOMAHAWK Quick Start Manual page 48

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.
fFCLK Frequency [Auto]
Sets FCLK frequency. Lower FCLK frequency may help you to set higher base clock
frequency.
fDMI Link Speed [Auto]
Sets DMI speed.
fSW Guard Extensions (SGX) [Software Control]
Enables or disables Intel SGX.
fIntel Speed Shift Technology [Auto]
Enables or disables Intel Speed Shift Technology. It can optimize energy efficiency.
This item is only available with the CPU that supports this technology.
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BIOS Setup