Chapter 3, Ai overclock tuner [auto, Bclk/peg frequency [xxx – Asus P8H77-M PRO User Manual
Page 74: Cpu bus speed: dram speed ratio mode [auto, Igpu max. frequency [xxx, Epu power saving mode [disabled, Epu setting [auto, Gpu boost, Dram timing control, Cpu power management

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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 configuration options:
[Auto]
Loads the optimal settings for the system.
[Manual]
Allows you to individually set overclocking parameters.
BCLK/PEG 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 at 1MHz increment.
CPU bus speed: DRAM speed ratio mode [Auto]
Allows you to set the CPU bus speed to DRAM speed ratio mode. Configuration options:
[Auto] [100:100] [100:133]
iGPU Max. Frequency [xxx]
Allows you to set the iGPU maximum frequency. The values range from xxxxMHz (by CPU)
to 3000MHz with a 50MHz interval. Use <+> / <-> to adjust the value.
EPU Power Saving MODE [Disabled]
Allows you to enable or disable the EPU power saving function.
Configuration options: [Disabled] [Enabled]
EPU Setting [Auto]
This item appears only when you set the EPU Power Saving MODE item to [Enabled.] and
allows you to select the EPU power saving mode. Configuration options: [Auto] [Light Power
Saving Mode] [Medium Power Saving Mode] [Max Power Saving Mode]
GPU Boost
GPU Boost automatically overclocks the frequency and voltage of CPU and DRAM for
enhancing the system performance. Configuration options: [OK] [Cancel]
DRAM Timing Control
The sub-items in this menu allow you to set the DRAM timing control features. Use the <+>
and <-> keys to adjust the value. To restore the default setting, type [auto] using the keyboard
and press the
Changing the values in this menu may cause the system to become unstable! If this
happens, revert to the default settings.
CPU Power Management
The sub-items in this menu allow you to set the CPU ratio and features.
CPU Ratio [Auto]
Allows you to manually adjust the maximum non-turbo CPU ratio. Use <+> and <-> keys to
adjust the value. The valid value ranges vary according to your CPU model.