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X8DTH-6/X8DTH-6F/X8DTH-i/X8DTH-iF User's Manual
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.
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.
ACPI T State
Select Enabled to report Processor throttling in the ACPI. The options are Disabled
and Enabled.
DCA Technology
This feature accelerates the performance of TOE devices. 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. For this moth-
erboard, the TOE device is built inside the ESB 2 South Bridge chip. This feature
is supported only by some types of processors (i.e., Intel Nehalem-WS 1S). The
options are Enabled and Disabled.
DCA Prefetch Delay
A DCA Prefetch is used with TOE components to prefetch data in order to shorten
execution cycles and maximize data processing effi ciency. Prefetching too fre-
quently can saturate the cache directory and delay necessary cache accesses. This
feature reduces or increases the frequency the system prefetches data. The options
are [8], [16], [32], [40], [48], [56], [64], [72], [80], [88], [96], [104], [112], [120]
Advanced Chipset Control
The items included in the Advanced Settings submenu are listed below:
QPI & IMC Confi guration
QPI Links Speed
This feature selects QPI's data transfer speed. The options are Slow-mode, and
Full Speed.
QPI Frequency
This selects the desired QPI frequency. The options are Auto, 4.800 GT,
5.866GT, 6.400 GT.
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