Supero FatTwin F628R3-FC0 User Manual page 109

Cores Enabled
This feature allows the user to set the number of CPU cores to enable. Enter "0" to
enable all cores. There are 14 cores available in the system. The default setting is 0.
Execute-Disable Bit (Available if supported by the OS & the CPU)
Select Enable for Execute Disable Bit Technology 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 to 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 options are Enable and
Disable. (Refer to Intel and Microsoft websites for more information.)
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 (Available when supported by the CPU)
If set to Enable, the hardware prefetcher 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 website for detailed information.
DCU (Data Cache Unit) Streamer Prefetcher (Available when supported by
the CPU)
If set to Enable, the DCU Streamer Prefetcher will prefetch data streams from the
cache memory to the DCU (Data Cache Unit) to speed up data accessing and
processing to enhance CPU performance. The options are Disable and Enable.
DCU IP Prefetcher
If set to Enable, the IP prefetcher in the DCU (Data Cache Unit) will prefetch IP
addresses to improve network connectivity and system performance. The options
are Enable and Disable.
7-7
Chapter 7: BIOS