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X9DRL-3F/X9DRL-iF User’s Manual
Socket 2 CPU Information
This item displays if a CPU is installed in Socket 2.
CPU Speed
This item displays the speed of the CPU installed in Socket 1.
64-bit
This item indicates if the CPU installed in Socket 1 supports 64-bit technology.
Clock Spread Spectrum
Select Enabled to enable 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. The options are Disabled and Enabled.
Hyper-threading
Select Enabled to support Intel Hyper-threading Technology to enhance CPU
performance. The options are Enabled and Disabled.
Active Processor Cores
Set to Enabled to use a processor's Second Core and beyond. (Please refer
to Intel's web site for more information.) The options are All, 1, 2, 4, 6, and 8.
Limit CPUID Maximum
This feature allows the user to set the maximum CPU ID value. Enable this
function to boot the legacy operating systems that cannot support processors
with extended CPUID functions. The options are Enabled and Disabled (for the
Windows OS).
Execute-Disable Bit Capability (Available if supported by the OS & the
CPU)
Set to Enabled to enable the Execute Disable Bit 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 ooding illegal
codes to overwhelm the processor or damage the system during an attack. The
default is Enabled. (Refer to Intel and Microsoft Web Sites for more information.)
Intel® AES-NI
Select Enable to use the Intel Advanced Encryption Standard (AES) New In-
structions (NI) to ensure data security. The options are Enabled and Disabled.
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