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3.0 Technologies
This chapter provides a high-level description of Intel technologies implemented in the
processor.
The implementation of the features may vary between the processor SKUs.
Details on the different technologies of Intel processors and other relevant external
notes are located at the Intel technology web site: http://www.intel.com/technology/
3.1 Intel
®
Virtualization Technology (Intel
®
VT)
Intel
®
Virtualization Technology (Intel
®
VT) makes a single system appear as multiple
independent systems to software. This allows multiple, independent operating systems
to run simultaneously on a single system. Intel VT comprises technology components
to support virtualization of platforms based on Intel architecture microprocessors and
chipsets.
Intel
®
Virtualization Technology (Intel
®
VT) for IA-32, Intel
®
64 and Intel
®
Architecture (Intel
®
VT-x) added hardware support in the processor to improve the
virtualization performance and robustness. Intel
®
Virtualization Technology for
Directed I/O (Intel VT-d) extends Intel
®
VT-x by adding hardware assisted support to
improve I/O device virtualization performance.
Intel
®
VT-x specifications and functional descriptions are included in the Intel
®
64 and
IA-32 Architectures Software Developer’s Manual, Volume 3B and is available at:
http://www.intel.com/products/processor/manuals/index.htm
The Intel VT-d specification and other VT documents can be referenced at:
http://www.intel.com/technology/virtualization/index.htm
https://sharedspaces.intel.com/sites/PCDC/SitePages/Ingredients/ingredient.aspx?
ing=VT
Intel
®
VT-x Objectives
Intel VT-x provides hardware acceleration for virtualization of IA platforms. Virtual
Machine Monitor (VMM) can use Intel VT-x features to provide an improved reliable
virtualized platform. By using Intel VT-x, a VMM is:
• Robust: VMMs no longer need to use paravirtualization or binary translation. This
means that they will be able to run off-the-shelf operating systems and
applications without any special steps.
• Enhanced: Intel VT enables VMMs to run 64-bit guest operating systems on IA
x86 processors.
Processor—Technologies
Intel
®
Xeon
®
Processor E3-1200 v3 Product Family
Datasheet – Volume 1 of 2 June 2013
38 Order No.: 328907-001