Supermicro SuperStorage Server 6048R-E1CR90L User Manual page 76

SuperStorage Server 6048-E1CR90L User's Manual
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 the changes made 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.
Direct Cache Access (DCA)
Select Enable to use Intel DCA (Direct Cache Access) Technology to improve the efficiency
of data transferring and accessing. The options are Auto, Enable, and Disable.
X2APIC (Advanced Programmable Interrupt Controller)
Based on Intel's Hyper-Threading architecture, each logical processor (thread) is assigned
256 APIC IDs (APIDs) in 8-bit bandwidth. When this feature is set to Enable, the APIC ID
will expand(X2) from 8 bits to 16 bits to provide 512 APIDs to each thread to enhance CPU
performance. The options are Disable and Enable.
AES-NI
Select Enable to use the Intel Advanced Encryption Standard (AES) New Instructions (NI) to
ensure data security. The options are Enable and Disable.
Intel Virtualization Technology
Select Enable to use Intel Virtualization Technology for Direct I/O VT-d support by reporting
the I/O device assignments to the VMM (Virtual Machine Monitor) through the DMAR ACPI
tables. This feature offers fully-protected I/O resource sharing across Intel platforms, providing
greater reliability, security and availability in networking and data-sharing. The options are
Enable and Disable.
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