Asus P8Z68-V PRO/GEN3 Manual page 74

Ai Overclock Tuner [Auto]
Allows you to select the CPU overclocking options to achieve the desired CPU internal
frequency. Select any of these preset overclocking configuration options:
[Auto]
[Manual]
[X.M.P.]
BCLK/PCIE Frequency [XXX]
Allows you to adjust the CPU and VGA frequency to enhance the system performance. Use
the <+> and <-> keys to adjust the value. You can also key in the desired value using the
numeric keypad. The values range from 80.0MHz to 300.0MHz.
eXtreme Memory Profile [High Performance]
This item appears only when you set the Ai Overclock Tuner item to [X.M.P.] and allows you
to select the X.M.P. mode supported by your memory module.
Configuration options: [Disabled] [Profile #1] [Profile #2]
Turbo Ratio [By All Cores]
Allows you to manually adjust the Trubo CPU ratio.
[Auto]
[By ALL Cores (Can Adjust in OS)]
[By Per Core (Cannot Adjust in OS)]
By ALL Cores (Can Adjust in OS) [XX]
This item appears only when you set the Turbo Ratio item to [By ALL Cores (Can Adjust in
OS)]. Use the <+> and <-> keys to adjust the value.
1-/2-/3-/4-Core Ratio Limit [XX]
This item appears only when you set the Turbo Ratio item to [By Per Core (Cannot Adjust in
OS)]. Use the <+> and <-> keys to adjust the value.
Internal PLL Overvoltage [Auto]
Allows you to set the Internal PLL Overvoltage.
Configuration options: [Auto] [Enabled] [Disabled]
Memory Frequency [Auto]
Allows you to set the memory operating frequency. The configuration options vary with the
BCLK/PCIE Frequency item settings.
Selecting a very high memory frequency may cause the system to become unstable! If this
happens, revert to the default setting.
3-8
Loads the optimal settings for the system.
Allows you to individually set overclocking parameters.
If you install memory modules supporting the eXtreme Memory Profile
(X.M.P.) Technology, choose this item to set the profiles supported by your
memory modules for optimizing the system performance.
All Turbo ratio are set by Intel CPU default settings.
All numbers of active cores will be set to one single
Turbo ratio in OS.
All numbers of active cores can be set to an individual
Turbo ratio in BIOS.
Chapter 3: BIOS setup