How to Enable Intel® Virtualization Technology (Intel® VT) for Directed I/O (Intel® VT-d) for Intel® Server Board or Intel® Server System


Install & Setup



Note For more information on Intel® Virtualization Technology (Intel® VT)

The Technical Product Specification document has more information. Click your product name below Related Products to see the documentation and home page for your product.

How can I enable Intel® Virtualization Technology (Intel® VT) on my system?
You can enable or disable the Intel® Virtualization Technology in the BIOS setup. The default behavior is disabled. To change the settings, follow these steps.


  1. Access the system BIOS by pressing <F2> during the system power-on self test (POST).

  2. Click Advanced > Processor Configuration.

    Processor Configuration

  3. Select Intel® VT for Directed I/O and change to Enabled.

    Select Intel® VT for Directed I/O, change to Enabled

  4. Do an AC power cycle.

Note Any time the setup options are changed to either enabled or disabled, an AC power cycle must be done for the changes to take effect.
Intel® Server Boards or Intel® Server Systems require the following components to support Intel® Virtualization Technology (Intel® VT) or Intel® Virtualization Technology (Intel® VT) for Directed I/O (Intel® VT-d):
  • Intel® Xeon® Processor that supports Intel VT
  • BIOS with Intel VT or VT-d support
  • A third-party virtual machine manager (VMM) may also be required.