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SUPERSERVER 6048R-TXR User's Manual
Clock Spread Spectrum
Select Enable to enable Clock Spectrum support, which will allow the BIOS attempt
to reduce the level of Electromagnetic Interference caused by the components when
needed. The options are Disabled and Enabled.
Hyper-Threading (ALL)
Select Enable to support Intel Hyper-threading Technology to enhance CPU perfor-
mance. The options are Enable and Disable.
Cores Enabled
Set a numeric value to enable the number of CPU cores. (Please refer to Intel's
website for more information.) Enter 0 to enable all cores.
Execute Disable Bit (Available if supported by the OS & the CPU)
Select Enable to enable the Execute-Disable Bit which will allow the processor to
designate an area in the system memory where an application code can execute
and where it cannot, thus preventing a worm or a virus from ooding illegal codes to
overwhelm the processor or damage the system during an attack. 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 instruc-
tions 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)
If this item is set to Disable, the CPU prefetcher will prefetch the cache line for 64
bytes. If this item is set to Enable, the CPU prefetcher will prefetch both cache lines
for 128 bytes as comprised. The options are Disable and Enable.
DCU Streamer Prefetcher (Available when supported by the CPU)
Select Enable to enable the DCU (Data Cache Unit) Streamer prefetcher which will
stream and prefetch data and send it to Level 1 (L1) data cache to improve data
processing and system performance. The options are Disable and Enable.
DCU IP Prefetcher (Available when supported by the CPU)
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