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Chapter 2 Installation and BIOS Setup
Clock Spread Spectrum
Select Enable for Clock Spectrum support, which will allow the BIOS to monitor and attempt
to reduce the level of Electromagnetic Interference caused by the components whenever needed.
Select Disabled to enhance system stability. The options are Disabled and Enabled.
Hyper-Threading
Select Enable to use Intel Hyper-Threading Technology to enhance CPU performance.
The options are Enable and Disable.
Performance/Watt
Select Power Optimized to use Intel Turbo Boost Technology to maximize system performance
(with maximum cooling) when performance state P0 lasts more than two seconds. If Traditional
is selected, Intel Turbo Boost Technology will be activated even when performance state P0 lasts
less than two seconds. The options are Traditional and Power Optimized.
Execute Disable Bit
Set to Enabled for Execute Disable Bit support which will allow the processor to designate areas
in the system memory where an application code can execute and where it cannot, thus
preventing a worm or a virus from looding illegal codes to overwhelm the processor or damaging
the system during a virus attack. The options are Enable and Disable. (Refer to Intel and
Microsoft websites for more information.)
Note Available when supported by the CPU.
PPIN Control
Select Unlock/Enable to use the Protected-Processor Inventory Number (PPIN) in the system.
The options are Unlock/Enable and Unlock/Disable.
Hardware Prefetcher
If this item is set to Enable, the hardware prefetcher will prefetch streams of data and
instructions from the main memory to the Level 2 (L2) cache to improve CPU performance. The
options are Disable and Enable.
Note Available when supported by the CPU.
Adjacent Cache Line Prefetch
Select Enable for the CPU to prefetch both cache lines for 128 bytes as comprised.
Select Disable for the CPU to prefetch both cache lines for 64 bytes. The options are Disable
and Enable.
Note Available when supported by the CPU.
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