Chapter 4: UEFI BIOS
77
CPU Confi guration
Warning: Setting the wrong values in the following sections may cause the system to malfunc-
tion.
Processor Confi guration
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.
Core Enabled
Use this feature to enable or disable CPU cores in the processor specifi ed by the user. Use
the <+> key and the <-> key on the keyboard to set the desired number of CPU cores you
want to enable in a processor. Please note that the maximum of 16 CPU cores are currently
available in each CPU package. The default setting is 0.
Monitor/Mwait
Select Enable to support Monitor and Mwait, which are two instructions in Streaming
SIMD Extension 3 (SSE3), to improve synchronization between multiple threads for CPU
performance enhancement. The options are Auto, Enable, and Disable.
Execute Disable Bit (Available if supported by the OS & the CPU)
Select Enable 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 fl ooding 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.)
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