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3-8
Chapter 3: BIOS setup
Chapter 3
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 conguration options:
[Auto] Loads the optimal settings for the system.
[Manual] Allows you to individually set overclocking parameters.
BCLK/PEG Frequency [XXX]
This item appears only when you set the previous item to [Manual] and sllows 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.
Turbo Ratio [Auto]
Allows you to manually adjust the Trubo CPU ratio.
[Auto] All Turbo ratio are set by Intel CPU default settings.
[By Per Core] All numbers of active cores can be set to an individual Turbo ratio in BIOS.
Ratio Mode [By Per Core]
This item appears only when you set the Turbo Ratio item to [By Per Core]. Conguration
options: [By Per Core] [Synchronization].
1-Core Ratio Limit [Auto]
This item appears only when you set both the Turbo Ratio and Ratio Mode item to [By
Per Core]. Use the <+> and <-> keys to adjust the value.
2-/3-/4-Core Ratio Limit [Auto]
This item appears only when you set the Turbo Ratio item to [By Per Core] and Ratio
Mode item to [Synchromization].
Internal PLL Overvoltage [Auto]
Allows you to set the Internal PLL Overvoltage. Conguration options: [Auto] [Enabled]
[Disabled].
FreqRef [Auto]
Allows you to set the FreqRef. Conguration options: [Auto] [133] [100]
Memory Frequency [Auto]
Allows you to set the memory operating frequency. The conguration options vary with the
BCLK/PCIE Frequency item settings. Conguration options: [Auto]
[DDR3-800MHz] [DDR3-1066MHz] [DDR3-1333MHz] [DDR3-1400MHz] [DDR3-1600MHz]
[DDR3-1800MHz] [DDR3-1866MHz] [DDR3-2000MHz] [DDR3-2133MHz] [DDR3-2200MHz]
[DDR3-2400MHz] [DDR3-2600MHz] [DDR3-2666MHz] [DDR3-2800MHz]
Selecting a very high memory frequency may cause the system to become unstable! If this
happens, revert to the default setting.