ASRock Fatal1ty X79 Professional User Manual - Page 67

CPU Configuration

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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, 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 / VistaTM / 7 is required. Set to [Enabled] if using Microsoft® Windows® XP, VistaTM, 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-Execute 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 codes. 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. 67

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67
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, a computer system with an Intel processor that sup-
ports Hyper-Threading technology and an operating system that includes
optimization for this technology, such as Microsoft
®
Windows
®
XP / Vista
TM
/ 7 is required. Set to [Enabled] if using Microsoft
®
Windows
®
XP, Vista
TM
,
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-Execute 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 codes. 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.