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Active Processor Cores [All]
This item allows you to select the number of CPU cores to activate in each processor
package. Conguration 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. Conguration options: [Disabled] [Enabled]
Execute Disable Bit [Enabled]
Execute Disable prevents certain classes of malicious buffer overow attacks when combined
with a supporting OS (SuSE Linux 9.2, RedHat Enterprise 3 Update 3). Conguration options:
[Disabled] [Enabled]
Intel Virtualization Technology [Disabled]
When set to [Enabled], a VMM can utilize the additional hardware capabilities provided by
Vanderpool Technology. Conguration 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. Conguration 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. Conguration 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
conguration. Conguration options: [Max Non‑Turbo Performance] [Max Battery] [Turbo
Performance]
CPU Power Management Configuration
This item allows you to manage and congure 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] The CPU runs at its default speed.
[Enabled] The system controls the CPU speed.
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
specication limit. Conguration options: [Enabled] [Disabled]
Turbo Mode is only available on selected CPU models only.
2‑30 Chapter 2: Getting started