Cpu Power Management Configuration - Asus H971-PLUS User Manual

Active Processor Cores [All]
This item allows you to select the number of CPU cores to activate in each processor
package. Configuration options: [All] [1] [2] [3]
For some CPU types, only [All] and [1] appear.
Limit CPUID Maximum [Disabled]
When set to [Enabled], this item allows the legacy OS to boot even without support for CPUs
with extended CPUID functions. Configuration options: [Disabled] [Enabled]
Execute Disable Bit [Enabled]
Execute Disable prevents certain classes of malicious buffer overflow attacks when combined
with a supporting OS (SuSE Linux 9.2, RedHat Enterprise 3 Update 3). Configuration options:
[Disabled] [Enabled]
Intel Virtualization Technology [Disabled]
When set to [Enabled], a VMM can utilize the additional hardware capabilities provided by
Vanderpool Technology. Configuration options: [Disabled] [Enabled]
Hardware Prefetcher(L2 Cache) [Enabled]
This item allows the CPU to prefetch commands and data in the L2 cache, reduces the
DRAM loading time and improves the system performance. Configuration options: [Disabled]
[Enabled]
Adjacent Cache Line Prefetcher [Enabled]
This item allows the mid level cache (L2) to prefetch adjacent cache lines, reducing the
DRAM loading time and improves the system performance. Configuration options: [Disabled]
[Enabled]
Boot Performance Mode [Max on-Turbo Performance]
This item allows you to select the CPU performance state during system boot before the
operating system takes control. The CPU runs at a selected performance ratio based on CPU
configuration. Configuration options: [Max Non‑Turbo Performance] [Max Battery] [Turbo
Performance]

CPU Power Management Configuration

This item allows you to manage and configure the CPU's power.
Enhanced Intel SpeedStep Technology [Enabled]
This item allows your system to adjust the CPU's voltage and cores frequency,
resulting in decreased power consumption and heat production.
[Disabled]
[Enabled]
Turbo Mode [Enabled]
This item allows you to automatically set the CPU cores to run faster than the base
operating frequency when it is below the operating power, current and temperature
specification limit. Configuration options: [Enabled] [Disabled]
Turbo Mode is only available on selected CPU models only.
2‑30
The CPU runs at its default speed.
The system controls the CPU speed.
Chapter 2: Getting started