Asus Z77-A - Manual (Page 60)

Chapter 2: BIOS information 2-14
2.4.1 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.
The following item appears only when you set the Ai Overclocking Tuner to [Manual].
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.
2.4.2 ASUS MultiCore Enhancement [Enabled]
[Enabled] Default set to [Enabled] for maximum performance under Manual/User-
defined memory frequency mode.
[Disabled] Allows you to set to default core ratio settings.
2.4.3 Turbo Ratio [Auto]
Allows you to set the CPU ratio automatically or manually.
[Auto]
Sets all Turbo Ratio to Intel ® CPU default settings
automatically.
[By all Cores (Can Adjust in OS)] All number of active cores will be set to one single
Turbo Ratio in OS.
[By Per Core (Cannot Adjust in OS)] All Number if active cores can be set to an individual
Turbo Ratio in BIOS.
The following item appears only when you set the Turbo Ratio to [By Per Core].
1-/2-/3-/4-Core Ratio Limit [Auto]
This item appears only when you set the Turbo Ratio item to [By Per Core]. Use the <+> and
<-> keys to adjust the value.
2.4.4 Internal PLL Overvoltage [Auto]
Allows you to set the Internal PLL Overvoltage.
Configuration options: [Auto] [Enabled] [Disabled].