MSI Z87-XPOWER Enables LC PLL for normal usage, Enables SB PLL for extreme overclocking, Loading

▶CPU Base Clock Apply Mode [Auto]

Sets the applying mode for adjusted CPU base clock.

[Auto]	This setting will be configured automatically by BIOS.
[Next Boot]	CPU will run the adjusted CPU base clock after reboot.
[Immediate]	CPU runs the adjusted CPU base clock immediately.

▶CPU PCIE PLL [Auto]

Selects a PLL (Phase Lock Loop) mode for CPU PCIe. This item appears when the installed CPU supports this setting.

[Auto]	This setting will be configured automatically by BIOS.
[LC PLL]	Enables LC PLL for normal usage.
[SB PLL]	Enables SB PLL for extreme overclocking.

▶Filter PLL [Auto]

Enables or disables the filter PLL for CPU. This item appears when the installed CPU supports this setting.

[Auto]	This setting will be configured automatically by BIOS.
[Enabled]	Provides wide range of base clock for overclocking when base clock
	strap be set to higher value.
[Disabled]	Provides normal range of base clock.

▶CPU Ratio Mode [Auto]

Selects the CPU Ratio operating mode.

[Auto]	This setting will be configured automatically by BIOS.
[Fixed Mode]	Fixes the CPU ratio.
[Dynamic Mode]	CPU ratio will be changed dynamically according to the CPU
	loading.

▶Adjust CPU Ratio [Auto]

Sets the CPU ratio that is used to determine CPU clock speed. This item can only be changed if the processor supports this function.

▶Adjusted CPU Frequency

Shows the adjusted CPU frequency. Read-only.

▶EIST [Enabled]

Enables or disables the Enhanced Intel® SpeedStep Technology. This item will be available when "Adjust CPU Ratio" is set to [Auto].

[Enabled]	Enables the EIST to adjust CPU voltage and core frequency
	dynamically. It can decrease average power consumption and average
	heat production.
[Disabled]	Disables EIST.

▶IntelTurbo Boost [Enabled]

Enables or disables the Intel® Turbo Boost. This item appears when the installed CPU supports this function.

[Enabled]	Enables this function to boost CPU performance automatically above
	rated specifications when system request the highest performance
	state.
[Disabled]	Disables this function.

Chapter 3

3-17 BIOS Setup