Asus P8Z77-V - Manual (Page 89)

ASUS P8Z77-V 3-17
Chapter 3
Limit CPUID Maximum [Disabled]
[Enabled] Allows legacy operating systems to boot even without support for CPUs
with extended CPUID functions.
[Disabled] Disables this function.
Execute Disable Bit [Enabled]
[Enabled] Enables the No-Execution Page Protection Technology.
[Disabled] Forces the XD feature flag to always return to zero (0).
Intel® Virtualization Technology [Disabled]
[Enabled] Allows a hardware platform to run multiple operating systems separately
and simultaneously, enabling one system to virtually function as several
systems.
[Disabled] Disables this function.
Hardware Prefetcher [Enabled]
[Enabled] Allows a hardware platform to run multiple operating systems separately
and simultaneously, enabling one system to virtually function as several
systems.
[Disabled] Disables this function.
Adjacent Cache Line Prefetch [Enabled]
[Enabled] Allows a hardware platform to perform adjacent cache line prefetching.
[Disabled] Disables this function.
CPU Power Management Configuration
CPU Ratio [Auto]
Allows you to set the ratio between the CPU Core Clock and the BCLK Frequency. Use
<+> and <-> keys to adjust the ratio. 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] The CPU runs at its default speed.
[Enabled} The operating system controls the CPU speed.
Turbo Mode [Enabled]
Allows you to set the processor cores to run faster than the marked frequency in a
specific condition.
Configuration options: [Enabled] [Disabled]
This item appears only when you set the EIST to [Enabled], and allows you to enable or
disable the Intel ® Turbo Mode Technology.
CPU C1E [Auto]
[Enabled] Enables the C1E support function. This function must be enabled to
enable or disable the Intel ® Turbo Mode Technology.
[Disabled] Disables the function.