Themis RES-32XR3/FIO, Installation Manual

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BIOS Setup Utility
Advanced Setup Configurations
3-9
Themis Computer
3.3.2.11 C1E Support
Select Enabled to use the feature of Enhanced Halt State. C1E significantly reduces
the CPU's power consumption by reducing the CPU's clock cycle and voltage during
a “Halt State.” The options are Disabled and
Enabled .
3.3.2.12 Intel® C-STATE Tech
If enabled, C-State is set by the system automatically to either C2, C3 or C4 state.
The options are Disabled and
Enabled .
3.3.2.13 C-State package limit setting (Available when Intel® C-State
Tech is enabled)
If set to Auto, the AMI BIOS will automatically set the limit on the C-State package
register. The options are
Auto , C1, C3, C6 and C7.
3.3.2.14 C1 Auto Demotion
When enabled, the CPU will conditionally demote C3, C6 or C7 requests to C1
based on un-core auto-demote information. The options are Disabled and
Enabled .
3.3.2.15 C3 Auto Demotion
When enabled, the CPU will conditionally demote C6 or C7 requests to C3 based on
un-core auto-demote information. The options are Disabled and
Enabled .
3.3.3 DCA Technology
This feature accelerates the performance of TOE devices. For this motherboard,
the TOE device is built inside the ESB 2 South Bridge chip. This feature is sup-
ported only by some types of processors (i.e., Intel Nehalem-WS 1S). The options
are
Enabled and Disabled.
3.3.3.1 DCA Prefetch Delay
A DCA Prefetch is used with TOE components to prefetch data in order to shorten
Note: A TOE device is a specialized, dedicated processor that is installed on an
add-on card or a network card to handle some or all packet processing of this add-
on card.