Technical Product Specification

Functional Architecture Intel® Workstation System SC5650SCWS TPS

Revision 1.2

Intel order number: E81822-002

Note: After changing the Intel

Virtualization Technology option (disable or enable) in the BIOS

setup, users must perform an AC power cycle before the change takes effect.

3.17.1 Intel

Virtualization Technology for Directed IO (VT-d)

The Intel

Workstation System SC5650SCWS 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.

You can enable or disable the Intel

Virtualization Technology for Directed I/O in the BIOS

Setup. The default behavior is disabled.

Note: After changing the Intel

Virtualization Technology for Directed I/O options (disable or

enable) in the BIOS setup, users must perform an AC power cycle before the changes take

effect.

3.18 Intel

I/O Acceleration Technology

The Intel

Workstation System SC5650SCWS supports Intel

I/O Acceleration Technology by

default. The supported Intel

I/O Acceleration Technology version varies with the network

interface card controllers that attached to the server board, Intel

I/O Acceleration Technology

version 2 (IOAT-2) is supported with onboard Intel

82575EB NICs.