Chapter 4: BIOS
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CPU Configuration
Warning:
Setting the wrong values in the following sections may cause the system to malfunc-
tion.
Processor Configuration
The following CPU information will be displayed:
Processor BSP Revision
Processor Socket
Processor ID
Processor Frequency
Processor Max Ratio
Processor Min Ratio
Microcode Revision
L1 Cache RAM
L2 Cache RAM
L3 Cache RAM
Processor 0 Version
Processor 1 Version
Hyper-Threading (ALL)
Select Enable to use Intel Hyper-Threading Technology to enhance CPU performance. The
options are
Enable
and Disable.
Execute Disable Bit (Available if supported by the OS & the CPU)
Select Enable to enable 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 flooding illegal codes to overwhelm the
processor, damaging the system during a virus attack. The options are
Enable
and Disable.
(Refer to Intel and Microsoft websites for more information.)
Intel Virtualization Technology
Select Enable to use Intel Virtualization Technology which will allow the I/O device
assignments to be directly reported to the VMM (Virtual Memory Management) through the
DMAR ACPI tables. This feature offers fully-protected I/O resource-sharing across the Intel
platforms, providing the user with greater reliability, security and availability in networking
and data-sharing. The settings are
Enable
and Disable.
