Fujitsu HX2560 M1 User Manual page 86

HX2560 M1/HX2560 M2
User's Manual
CPU Speed
This item displays the speed of the CPU installed in Socket 1/Socket 2.
64-bit
This item indicates if the CPU installed in Socket 1 or Socket 2 supports 64-bit technology.
Clock Spread Spectrum
Select Enable 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.
RTID (Record Types IDs)
This feature displays the total number of Record Type IDs for local and remote pools. The
options are Optimal and Alternate.
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 above. (Please refer to Intel's website
for more information.) The options are All, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11.
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 (Available if supported by the OS & the CPU)
Select Enabled to enable the Execute Disable Bit which will allow the processor to des-
ignate 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 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 Instructions (NI)
to ensure data security. The options are Enabled and Disabled.
MLC Streamer Prefetcher (Available when supported by the CPU)
If set to Enabled, the MLC (mid-level cache) streamer prefetcher will prefetch streams of
data and instructions from the main memory to the L2 cache to improve CPU performance.
The options are Disabled and Enabled.
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