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ASUS X99-DELUXE Series
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Chapter 3
The following items appear only when you set the Intel VT for Directed I/O (VT-d) to
[Enabled].
Interrupt Remapping [Enabled]
This item allows you to enable/disable the VT-D Interrupt Remapping
Support.
Conguration options: [Enabled] [Disabled]
Coherency Support (Non-Isoch) [Enabled]
This item allows you to enable/disable the Non-Isoch VT_D Engine
Coherency Support.
Conguration options: [Enabled] [Disabled]
Coherency Support (Isoch) [Enabled]
This item allows you to enable/disable the Isoch VT_D Engine Coherency
Support.
Conguration options: [Enabled] [Disabled]
3.6.5 USB Configuration
The items in this menu allow you to change the USB-related features.
The Mass Storage Devices item shows the auto-detected values. If no USB device is
detected, the item shows None.
Intel xHCI Mode [Smart Auto]
[Auto] The xHCI is automatically enabled and runs at USB 3.0 mode when the
xHCI driver is installed in the operating system.
[Smart Auto] Upon detection, the xHCI driver supports the USB 3.0 mode during both
POST and operating system.
[Enabled] Enables the xHCI controller.
[Disabled] Disables the xHCI controller.