Host Clock Override (BCLK)

Use this to adjust the host clock (BCLK) frequency. The default value is [Auto].

Spread Spectrum

This item should always be [Auto] for better system stability.

Intel SpeedStep Technology

Intel SpeedStep technology is Intel’s new power saving technology. Pro- cessors can switch between multiple frequencies and voltage points to en- able power saving. The default value is [Enabled]. Configuration options: [Enabled] and [Disabled]. If you install Windows® VistaTM / 7 / 8 and want to enable this function, please set this item to [Enabled]. This item will be hidden if the current CPU does not support Intel SpeedStep technology.

Please note that enabling this function may reduce CPU voltage and lead to system stability or compatibility issues with some power supplies. Please set this item to [Disabled] if above issues occur.

Intel Turbo Boost Technology

Use this item to enable or disable Intel Turbo Boost Mode Technology. Turbo Boost Mode allows processor cores to run faster than marked fre- quency in specific conditions. The default value is [Enabled].

Additional Turbo Voltage

Use this item to add voltage when CPU is in Turbo mode.

Internal PLL Overvoltage

Use this item to enable/disable CPU Internal PLL Overvoltage Function.

Long Duration Power Limit

Use this item to configure long duration power limit in watts. The default value is [Auto].

Long Duration Maintained

Use this item to configure time window which the long duration power is maintained. The default value is [Auto].

Short Duration Power Limit

Use this item to configure short duration power limit in watts. The default value is [Auto].

Primary Plane Current Limit

Use this item to configure the maximum instantaneous current allowed for the primary plane. The default value is [Auto].

Secondary Plane Current Limit

Use this item to configure the maximum instantaneous current allowed for the secondary plane. The default value is [Auto].

GT OverClocking Support

Use this item to enable or disable GT OverClocking Support. The default value is [Disabled].

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ASRock Z77 Extreme3 Host Clock Override Bclk, Spread Spectrum, Intel SpeedStep Technology, Intel Turbo Boost Technology