Technical Product Specification

Intel® Server Board S5520UR and S5520URT TPS Functional Architecture
Revision 1.9 Intel order number E44031-012
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4. Go to BIOS setup Menu, Security Tab, TPM State should be Enabled & Activated.
3.10 Intel
®
Virtualization Technology for Directed I/O (Intel
®
VT-d)
The Intel
®
Virtualization Technology is designed to support multiple software environments
sharing same hardware resources. Each software environment may consist of an OS and
applications. The Intel
®
Virtualization Technology can be enabled or disabled in the BIOS setup.
The default behavior is disabled.
Note: If the setup options are changed to enable or disable the Virtualization Technology
setting in the processor, the user must perform an AC power cycle for the changes to take
effect.
The Intel
®
5520 Chipset IOH supports DMA remapping from inbound PCI Express* memory
Guest Physical Address (GPA) to Host Physical Address (HPA). PCI devices are directly
assigned to a virtual machine leading to a robust and efficient virtualization.