Supero X8DTH-6, User Manual

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X8DTH-6/X8DTH-6F/X8DTH-i/X8DTH-iF User's Manual
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North Bridge Confi guration
Intel I/OAT
The Intel I/OAT (I/O Acceleration Technology) signifi cantly reduces CPU over-
head by leveraging CPU architectural improvements, freeing the system resource
for other tasks. The options are Disabled and Enabled .
DCA Technology
Select Enabled to use Intel's DCA (Direct Cache Access) Technology to improve
data transfer effi ciency. 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. 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. Prefetching
too frequently can saturate the cache directory and delay necessary cache ac-
cesses. 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], and [120].
Intel VT-d
Select Enabled to enable Intel Virtualization Technology support for Direct I/O
VT-d by reporting the I/O device assignments to the VMM (Virtual Working
Memory) through the DMAR ACPI Tables. This feature offers fully-protected
I/O resource sharing across Intel platforms, providing greater reliability, security
and availability in networking and data-sharing. The options are Enabled and
Disabled .
Active State Power-Management
Select Enabled to use the power management for signal transactions between
the PCI Express L0 and L1 Links. Select Enabled to confi gure PCI-Exp. L0 and
L1 Link power states. The options are Disabled and Enabled.
IOH PCI-E Max Payload Size
Some add-on cards perform faster with the coalesce feature, which limits the
payload size to 128B; while others, with a payload size of 256B which inhibits
the coalesce feature. Please refer to your add-on card user guide for the desired
setting. The options are 256B and 128B.