Vol 1

Intel® Xeon® Processor E7-8800/4800/2800 v2 Product Family 3
Datasheet Volume One, February 2014
Table of Contents
1Overview.................................................................................................................11
1.1 Introduction .....................................................................................................11
1.1.1 Processor Feature Details ........................................................................13
1.1.2 Supported Technologies ..........................................................................13
1.2 Interfaces ........................................................................................................14
1.2.1 System Memory Support.........................................................................14
1.2.2 PCI Express* .........................................................................................15
1.2.3 Direct Media Interface Gen 2 (DMI2).........................................................15
1.2.4 Intel® QuickPath Interconnect (Intel® QPI) ..............................................16
1.2.5 Platform Environment Control Interface (PECI)...........................................16
1.3 Power Management Support ...............................................................................17
1.3.1 Processor Package and Core States...........................................................17
1.3.2 System States Support ...........................................................................17
1.3.3 Memory Controller..................................................................................17
1.3.4 PCI Express* .........................................................................................17
1.3.5 Intel® QPI ............................................................................................17
1.4 Thermal Management Support ............................................................................17
1.5 Package Summary.............................................................................................17
1.6 Terminology .....................................................................................................18
1.7 Related Documents ...........................................................................................20
1.8 State of Data....................................................................................................21
2 Technologies ...........................................................................................................23
2.1 Intel
®
Virtualization Technology (Intel® VT).........................................................23
2.1.1 Intel
®
VT-x Objectives............................................................................23
2.1.2 Intel VT-x Features.................................................................................24
2.1.3 Intel® VT-d Objectives ...........................................................................24
2.1.4 Intel VT Intel Xeon E7 v2 Processor Extensions ..........................................25
2.2 Security Technologies ........................................................................................25
2.2.1 Intel® Trusted Execution Technology (Intel® TXT).....................................25
2.2.2 Intel® Trusted Execution Technology – Server Extensions ...........................26
2.2.3 Intel® AES New Instructions (Intel® AES-NI)............................................26
2.2.4 Execute Disable Bit.................................................................................27
2.3 Intel® Hyper-Threading Technology ....................................................................27
2.4 Intel
®
Turbo Boost Technology ...........................................................................27
2.4.1 Intel
®
Turbo Boost Operating Frequency ...................................................27
2.5 Enhanced Intel SpeedStep® Technology ..............................................................28
2.6 Intel® Advanced Vector Extensions (Intel® AVX)..................................................28
3 Power Management.................................................................................................31
3.1 ACPI States Supported.......................................................................................31
3.1.1 System States .......................................................................................31
3.1.2 Processor Package and Core States...........................................................31
3.1.3 Integrated Memory Controller States ........................................................32
3.1.4 DMI2/PCI Express Link States..................................................................33
3.1.5 Intel QuickPath Interconnect States..........................................................33
3.1.6 G, S, and C State Combinations ...............................................................33
3.2 Processor Core/Package Power Management.........................................................34
3.2.1 Enhanced Intel SpeedStep® Technology ...................................................34
3.2.2 Low-Power Idle States ............................................................................34
3.2.3 Requesting Low-Power Idle States............................................................35
3.2.4 Core C-states ........................................................................................36
3.2.5 Package C-States...................................................................................37