Asus P8H61/USB3 R2.0 - Manual (Page 53)

Chapter 2: BIOS information 2-15
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 Enhanced Intel SpeedStep Technology item to
[Enabled].
[Enabled] Allows processor cores to run faster than marked frequency in specific
conditions.
[Disabled] Disables this function.
The following five 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.
Long duration maintained [Auto]
Use the <+> and <-> keys to adjust the value.
Short duration power limit [Auto]
Use the <+> and <-> keys to adjust the value.
Primary Plane Current Limit [Auto]
Use the <+> and <-> keys to adjust the value.
Secondary Plane Current Limit [Auto]
Use the <+> and <-> keys to adjust the value.
2.4.7 Offset Mode Sign [+]
[+] To offset the voltage by a positive value.
[–] To offset the voltage by a negative value.
CPU Voltage [Auto]
Allows you to set the Offset voltage. The values range from -0.630V to +0.630V with a
0.010V interval.
Refer to the CPU documentation before setting the CPU voltage. Setting a high voltage
may damage the CPU permanently, and setting a low voltage may make the system
unstable.