4-10
X8DT6/X8DT6-F/X8DTE/X8DTE-F
User’s Manual
Crystal Beach/DCA (Direct Cache Access)
This feature works in conjunction with the Intel I/O AT (Acceleration Technology) to
accelerate the performance of the TOE device. When this feature set to Enabled, it
will enhance overall system performance by providing direct cache access for data
transferring. The options are Enabled and
Disabled.
NUMA Support
Select Enabled to use the feature of Non-Uniform Memory Access to improve CPU
performance. The options are
Enabled
and Disabled.
Payload Size
This feature limits the payload size by enabling (128B) or disabling (256B) coalesce
support. The options are 256B and
128B
.
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 VMM through the DMAR ACPI Tables.
This feature offers fully-protected I/O resource-sharing across the Intel platforms,
providing the user with greater reliability, security and availability in networking and
data-sharing. The settings are Enabled and
Disabled
.
SouthBridge Confi guration
This feature allows the user to confi gure the settings for the Intel ICH South
Bridge.
USB Functions
Select Enabled to use onboard USB ports. The Options are: Disabled and
Dis-
abled
.
Legacy USB Support
Select Enabled to use Legacy USB devices. If this item is set to Auto, Legacy USB
support will be automatically enabled when a legacy USB device is installed on the
motherboard. The settings are Disabled, and
Enabled
.
USB 2.0 Controller Mode
This setting allows you to select the USB 2.0 Controller mode. The options are
Hi-Speed (480 Mbps
) and Full Speed (12 Mbps).
BIOS EHCI Hand-Off
Select Enabled to enable BIOS Enhanced Host Controller Interface support to
provide a workaround solution for an operating system that does not have EHCI