X9DR3_i-LN4F+ 1.1.indb - Supermicro

Chapter 4: AMI BIOS
MLC Spatial Prefetcher (Available when supported by the CPU)
If set to Enabled, the MLC (Mid-Level Cache) Spatial prefetcher will prefetch the
both cache lines for 128 bytes as comprised. If set to Disabled, the MLC (Mid-Level
Cache) Spatial prefetcher will prefetch the adjacent cache line for 64 bytes. The
options are Disabled and Enabled.
DCU Streamer Prefetcher (Available when supported by the CPU)
Select Enabled to support Data Cache Unite (DCU) prefetch to speed up data
accessing and processing in the DCU to enhance CPU performance. The options
are Disabled and Enabled.
DCU IP Prefetcher
Select Enabled for DCU (Data Cache Unit) IP Prefetcher support, which will prefetch
IP addresses to improve network connectivity and system performance. The options
are Enabled and Disabled.
Intel® Virtualization Technology (Available when supported by the CPU)
Select Enabled to support Intel Virtualization Technology, which will allow one
platform to run multiple operating systems and applications in independent partitions,
creating multiple "virtual" systems in one physical computer. The options
are Enabled and Disabled.
Note: If there is any change to this setting, you will need to power off and
restart the system for the change to take effect. Please refer to Intel’s
website for detailed information.)
CPU Power Management Configuration
This submenu allows the user to configure the following CPU Power Management
settings.
Power Technology
Select Energy Efficiency to support power-saving mode. Select Custom to customize
system power settings. Select Disabled to disable power-saving settings.
The options are Disabled, Energy Efficiency, and Custom. If the option is set
to Custom, the following items will display:
EIST (Available when Power Technology is set to Custom)
EIST (Enhanced Intel SpeedStep Technology) allows the system to automatically
adjust processor voltage and core frequency to reduce power
consumption and heat dissipation. The options are Disabled (GV3 Disabled),
and Enabled (GV3 Enabled). (Note: GV3 is Intel Speedstep support used
on older platforms.)Please refer to Intel’s website for detailed information.)
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