MSI Z87-XPOWER manual Chapter, Short Duration Power Limit W Auto

▶Short Duration Power Limit (W) [Auto]

Sets the short duration TDP power limit for CPU in Turbo Boost mode.

▶CPU Current limit (A) [Auto]

Sets maximum current limit of CPU package in Turbo Boost mode. When the current is over the specified limit value, the CPU will automatically reduce the core frequency for reducing the current.

▶1/2/3/4-Core Ratio Limit [Auto]

These items only appear when a CPU that support this function is installed. These items allow you to set the CPU ratios for different number of active cores in turbo boost mode. These items appear when the installed processor supports this function.

Chapter 3

3-25 BIOS Setup