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X8DA6/X8DAE User's Manual
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.
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 configure PCI-Exp. L0 and L1 Link
power states. The options are Disabled and Enabled.
South Bridge Configuration
This feature allows the user to configure Intel ICH South Bridge settings.
USB Functions
Select Enabled to use the onboard USB ports. The Options are Disabled and
Enabled.
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 detected. The
settings are Disabled, Enabled, and Auto.
USB 2.0 Controller (Available when the item - USB Functions is disabled)
Select Enabled to enable USB 2.0 Controller. The Options are Disabled and En-
abled.
USB 2.0 Controller Mode
This feature is used 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
Hand-Off support. When enabled, the EHCI Interface will be changed from the BIOS-
controlled to the OS-controlled. The options are Disabled and Enabled.
HDA Controller
Select Enabled to activate the onboard High-Definition Audio controller. The options
are Enabled and Disabled.
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