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3.2.2
Advanced BIOS Features Setup
Select the Advanced tab from the DS‐561 setup screen to enter the Advanced BIOS Setup
screen. You can select any of the items in the left frame of the screen, such as CPU
configuration, to go to the sub menu for that item. You can display an Advanced BIOS Setup
option by highlighting it using the <Arrow> keys. All Advanced BIOS Setup options are
described in this section. The Advanced BIOS Setup screens are shown below. The sub menus
are described on the following pages.
ACPI Settings:
management
CPU Configuration:
Hyper‐threading: Enabled for Windows XP and Linux (OS optimized for Hyper‐Threading
Technology) and Disabled for other OS (OS not optimized for Hyper‐Threading
Technology). When disabled, only one thread per enabled‐core is enabled.
Active Processor Cores: Number of cores to be enabled in each processor package.
Limit CPUID Maximum: Disabled for Windows XP.
Execute Disable Bit:
It 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.).
Intel Virtualization Technology: When enabled, a VMM can utilize the additional
hardware capabilities provided by Vander pool Technology.
Hardware Prefetcher: To turn on/off the Mid Level Cache (L2) streamer prefetcher.
Adjacent Cache Line Prefetch: To turn on/off prefetching of adjacent cache lines
Figure. 20 Advanced BIOS Features Setup Screen
This section allows you to control hardware monitoring and power
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