The following items appear only when you set the Intel VT for Directed I/O (VT-d) to
[Enabled].
3-42
Interrupt Remapping [Enabled]
This item allows you to enable/disable the VT-D Interrupt Remapping
Support.
Configuration options: [Enabled] [Disabled]
Coherency Support (Non-Isoch) [Enabled]
This item allows you to enable/disable the Non-Isoch VT_D Engine
Coherency Support.
Configuration options: [Enabled] [Disabled]
Coherency Support (Isoch) [Enabled]
This item allows you to enable/disable the Isoch VT_D Engine Coherency
Support.
Configuration options: [Enabled] [Disabled]
Chapter 3: BIOS setup