Datasheet

Intel® Xeon® Processor E5-2400 v2 Product Family 4
Datasheet Volume One
2.5.3.1 Power-up Sequencing................................................................68
2.5.3.2 Device Discovery ......................................................................69
2.5.3.3 Client Addressing......................................................................69
2.5.3.4 C-states ..................................................................................70
2.5.3.5 S-states ..................................................................................71
2.5.3.6 Processor Reset........................................................................71
2.5.3.7 System Service Processor (SSP) Mode Support.............................71
2.5.3.8 Processor Error Handling............................................................72
2.5.3.9 Originator Retry and Timeout Policy ............................................72
2.5.3.10 Enumerating PECI Client Capabilities ...........................................73
2.5.4 Multi-Domain Commands ........................................................................73
2.5.5 Client Responses....................................................................................74
2.5.5.1 Abort FCS................................................................................74
2.5.5.2 Completion Codes.....................................................................74
2.5.6 Originator Responses..............................................................................75
2.5.7 DTS Temperature Data ........................................................................... 75
2.5.7.1 Format....................................................................................75
2.5.7.2 Interpretation...........................................................................76
2.5.7.3 Temperature Filtering................................................................76
2.5.7.4 Reserved Values.......................................................................76
3 Technologies ...........................................................................................................77
3.1 Intel® Virtualization Technology (Intel® VT) ........................................................77
3.1.1 Intel® VT-x Objectives ...........................................................................77
3.1.2 Intel® VT-x Features..............................................................................78
3.1.3 Intel® VT-d Objectives ........................................................................... 78
3.1.3.1 Intel VT-d Features Supported....................................................79
3.1.4 Intel® Virtualization Technology Processor Extensions ................................ 79
3.2 Security Technologies ........................................................................................79
3.2.1 Intel® Trusted Execution Technology........................................................ 79
3.2.2 Intel® Trusted Execution Technology – Server Extensions ...........................80
3.2.3 AES Instructions ....................................................................................80
3.2.4 Execute Disable Bit.................................................................................81
3.3 Intel® Secure Key.............................................................................................81
3.4 Intel® OS Guard...............................................................................................81
3.5 Intel® Hyper-Threading Technology .................................................................... 81
3.6 Intel® Turbo Boost Technology...........................................................................82
3.6.1 Intel® Turbo Boost Operating Frequency...................................................82
3.7 Enhanced Intel SpeedStep® Technology .............................................................. 82
3.8 Intel® Intelligent Power Technology ....................................................................83
3.9 Intel® Advanced Vector Extensions (Intel® AVX)..................................................83
3.10 Intel® Dynamic Power Technology ......................................................................84
4 Power Management................................................................................................. 85
4.1 ACPI States Supported.......................................................................................85
4.1.1 System States .......................................................................................85
4.1.2 Processor Package and Core States........................................................... 85
4.1.3 Integrated Memory Controller States ........................................................86
4.1.4 DMI2/PCI Express* Link States ................................................................87
4.1.5 Intel® QuickPath Interconnect States .......................................................87
4.1.6 G, S, and C State Combinations ...............................................................87
4.2 Processor Core/Package Power Management......................................................... 88
4.2.1 Enhanced Intel SpeedStep® Technology ...................................................88
4.2.2 Low-Power Idle States ............................................................................88
4.2.3 Requesting Low-Power Idle States............................................................89
4.2.4 Core C-states ........................................................................................90
4.2.4.1 Core C0 State...........................................................................90
4.2.4.2 Core C1/C1E State.................................................................... 90
4.2.4.3 Core C3 State...........................................................................91