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Hyper threading [enabled, Active processor cores [all, Limit cpuid maximum [disabled – Asus ESC2000 G2 User Manual

Page 92: Execute disable bit [enabled, Server class [custom

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Chapter 4: BIOS setup

Hyper Threading [Enabled]

This item allows you to enable/disable the Intel Hyper-Threading Technology function. Enable

for Windows XP and Linux or disable for other OS. When disabled, only one thread per

activated core is enabled.
Configuration options: [Disabled] [Enabled]

Active Processor Cores [All]

This item sets the number of cores to enable in each processor package.

Configuration options: [All] [1] [2] [3] [4] [5] [6] [7]

Limit CPUID Maximum [Disabled]

Setting this item to [Enabled] allows legacy operating system to boot even without support for

CPUs with extended CPUID functions.
Configuration options: [Disabled] [Enabled]

Execute Disable Bit [Enabled]

XP can prevent certain classes of malicious buffer overflow attacks when combined with

a supporting OS (Windows Server 2003 SP1, Windows XP SP2, SuSE Linux 9.2, Redhat

Enterprise 3 Update 3).
Configuration options: [Disabled] [Enabled]

Server Class [Custom]

Use Intel recommended prefetch settings.
Configuration options: [Enterprise] [High Performance(HPC)] [Custom]

You can only customize the items below when you enable the Server Class to [Custom].

Hardware Prefetcher [Enabled]

This item allows you to turn on/off the mid level cache(L2) streamer prefetcher.
Configuration options: [Disabled] [Enabled]

Adjacent Cache Line Prefetch [Enabled]

This item allows you to turn on/off prefetching of adjacent cache lines.
Configuration options: [Disabled] [Enabled]

DCU Streamer Prefetcher [Enabled]

This item allows you to enable/disable prefetching of next L1 data line based upon

multiple loads in same cache line.
Configuration options: [Disabled] [Enabled]

DCU IP Prefetcher [Enabled]

This item allows you to enable/disable prefetching of next L1 line based upon

sequential load history.
Configuration options: [Disabled] [Enabled]