Supermicro SUPERSERVER 6028U-T Series User Manual page 94

SuperServer 6028U-T Series User's Manual
CPU information: Processor Socket, Processor ID, Processor Frequency, Processor
Maximum Ratio, Processor Minimum Ratio, Microcode Revision, L1 Cache RAM,
L2 Cache RAM, L3 Cache RAM, Processor 1 Version, and Processor 2 Version.
Clock Spread Spectrum
Select Enable to allow the BIOS to monitor and attempt to reduce the level of
Electromagnetic Interference caused by the components whenever needed. The
options are Disable and Enable.
Hyper-Threading [All]
Select Enable to support Intel's Hyper-threading Technology to enhance CPU
performance. The options are Enable and Disable.
Cores Enabled
Select the number of cores to enable. To enable all, enter 0 (zero). Maximum is
twelve cores.
Execute-Disable Bit (Available if supported by the OS & the CPU)
Select Enable to support Intel® Execute Disable Bit Technology, which will allow the
processor to designate areas in the system memory where an application code can
be executed and where it cannot, thus preventing a worm or a virus from flooding
illegal codes to overwhelm the processor or damage the system during an attack.
This feature is used in conjunction with the items: "Clear MCA," "VMX," "Enable
SMX," and "Lock Chipset" for Virtualization media support. The default setting is
Enable. (Refer to Intel and Microsoft websites for more information.)
PPIN Control
When the Protected Processor Inventory Number (PPIN) is enabled, the processor
will return a 64-bit ID number by way of the PPIN MSR. The options are Disable
and Enable.
Hardware Prefetch (Available when supported by the CPU)
If this item is set to Enable, the hardware will prefetch streams of data and
instructions from the main memory to the L2 cache to improve CPU performance.
The options are Disable and Enable.
Adjacent Cache Prefetch (Available when supported by the CPU)
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: Please reboot the system for changes on this setting to take effect. Please
refer to Intel's web site for detailed information.
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