Chapter 7: AMI BIOS
7-7
DCU (Data Cache Unit) Streamer Prefetcher (Available when supported by
the CPU)
If this item is 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 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.
Direct Cache Access (DCA)
Select Enable to use Intel DCA (Direct Cache Access) Technology to improve the
Enable and Disable.
X2APIC
This setting allows you to enable or disable the Extended xAPIC mode that supports
more than 256 interrupts over the local APIC.
AES-NI (New Encryption Standard-New Instructions)
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
When enabled, a VMM can utilize the addtional hardware capabilities provided by
Vanderpool Technology.
Advanced Power Management Conguration
Power Technology
This setting allows you to customize power management. The options are
Disabled, Energy Ecient
power-saving mode, which might have an impact on system performance.
Select Custom to customize system power settings. Select Disabled to disable
power-saving settings.
If the option is set to Custom, the following items will display:
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