Asus P8Z68-V LX - Manual (Page 65)

Chapter 2: BIOS information 2-15
2.4.6 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 The EPU Power Saving Mode is set to [Enabled] and
allows you to set power saving mode. Configuration options: [Auto] [Light Power
Saving Mode] [Medium Power Saving Mode] [Max Power Saving Mode]
2.4.7 OC Tuner
OC Tuner automatically overclocks the frequency and voltage of CPU and DRAM for
enhancing the system performance. Configuration options: [OK] [Cancel]
2.4.8 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 <Enter>.
Changing the values in this menu may cause the system to become unstable! If this
happens, revert to the default settings.
2.4.9 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 or
the numeric keypad to adjust the value. The valid value ranges vary according to your CPU
model.
Enhanced Intel SpeedStep Technology [Enabled]
Allows you to enable or disable the Enhanced Intel ® SpeedStep Technology (EIST).
[Disabled] Disables this function.
[Enabled] The operating system dynamically adjusts the processor voltage and
core frequency which may result in decreased average consumption and
decreased average heat production.
Turbo Mode [Enabled]
This item appears only when you set the previous item to [Enabled].
[Enabled] Allows processor cores to run faster than marked frequency in specific
conditions.
[Disabled] Disables this function.
The following three items appear only when you set both the Enhanced Intel ® SpeedStep
Technology and Turbo Mode items to [Enabled].
Long duration power limit [Auto]
Use the <+> and <-> keys to adjust the value.