Supermicro X7DCA-3 User Manual page 70

X7DCA-3/X7DCA-i User's Manual
settings are Disabled for the Intel 5100 Series Processors and Enable for the 5000
Series Processors.
Hardware Prefetcher (Available if supported by the CPU.)
Set to Enabled to activate the hardware components that are used in conjunction
with software programs to prefetch data in order to shorten execution cycles and
maximize data processing effi ciency. The options are Disabled and Enabled.
Echo TPR
Set to Enabled to prevent xTPR messages from being sent to the system. The
options are Disabled and Enabled.
Intel <R> Virtualization Technology (Available when supported by the CPU.)
Select Enabled to use the feature of Virtualization Technology to allow one platform
to run multiple operating systems and applications in independent partitions, creat-
ing 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
web site for details.
Intel EIST Support (Available when supported by the CPU.)
Select Enabled to use the Enhanced Intel SpeedStep Technology and allow the
system to automatically adjust processor voltage and core frequency in an effort
to reduce power consumption and heat dissipation. The options are Enabled and
Disabled. Please refer to Intel's web site for details.
CPU Cache Control
Direct Cache Access (Available if supported by the CPU.)
Set to Enable to route inbound network IO traffi c directly into processor caches
to reduce memory latency and improve network performance. The options are
Disabled and Enabled.
DCA Delay Clocks (Available if supported by the CPU.)
This feature allows the user to set the clock delay setting from snoop to prefetch
for Direct Cache Access. Select a setting from 8 (bus cycles) to 120 (bus cycles)
(in 8-cycle increment). The default setting is 32 (bus cycles).
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