Supermicro SuperServer 2049U-TR4, Руководство пользователя

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SuperServer 2049U-TR4 User's Manual
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Execute Disable Bit (Available if supported by the OS & the CPU)
Select Enable to enable 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 flooding 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.)
Intel Virtualization Technology
Select Enable to use Intel Virtualization Technology which will allow the I/O device assignments
to be directly reported to the VMM (Virtual Memory Management) through the DMAR ACPI
tables. This feature offers fully-protected I/O resource-sharing across the Intel platforms,
providing the user with greater reliability, security and availability in networking and data-
sharing. The settings are
Enable and Disable.
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 this feature is set to Enable, the hardware prefetcher will prefetch streams of data and
instructions from the main memory to the Level 2 (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 power off and reboot the system for the changes you've made to take
effect. Please refer to Intel’s website for detailed information.
DCU Streamer Prefetcher (Available when supported by the CPU)
If this feature is set to Enable, the DCU (Data Cache Unit) streamer prefetcher will prefetch
data streams from the cache memory to the DCU (Data Cache Unit) to speed up data
accessing and processing for CPU performance enhancement. The options are Disable and
Enable .
DCU IP Prefetcher
If this feature is 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.