ASROCK X79 Extreme9 User Manual download pdf (Page 78)

3.4.1 CPU Configuration

CPU Ratio Setting

Use this item to change the ratio value of this motherboard.

Intel Hyper Threading Technology

To enable this feature, it requires a computer system with an Intel

processor that supports Hyper-Threading technology and an operating

system that includes optimization for this technology, such as Microsoft

Windows

XP / Vista

/ 7. Set to [Enabled] if using Microsoft

Windows

XP, Vista

, 7, or Linux kernel version 2.4.18 or higher. This option will be

hidden if the installed CPU does not support Hyper-Threading technology.

Active Processor Cores

Use this item to select the number of cores to enable in each processor

package. The default value is [All].

No-Excute Memory Protection

No-Execution (NX) Memory Protection Technology is an enhancement

to the IA-32 Intel Architecture. An IA-32 processor with “No Execute (NX)

Memory Protection” can prevent data pages from being used by malicious

software to execute code. This option will be hidden if the current CPU

does not support No-Excute Memory Protection.

Hardware Prefetcher

Use this item to turn on/off the MLC streamer prefetcher.

Adjacent Cache Line Prefetch

Use this item to turn on/off prefetching of adjacent cache lines.

Intel Virtualization Technology

When this option is set to [Enabled], a VMM (Virtual Machine Architecture)

can utilize the additional hardware capabilities provided by Vanderpool

Technology. This option will be hidden if the installed CPU does not

support Intel Virtualization Technology.

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ASROCK X79 Extreme9 User Manual Page 78