Core i7 Processor Family Specification Sheet

ManualsBrandsIntel ManualsComputer HardwareIntel Box Core I7 4820k BX80633I74820K

Datasheet 3

Table of Contents

1 Introduction ..............................................................................................................8

1.1 Processor Feature Details .....................................................................................9

1.2 Supported Technologies ..................................................................................... 10

1.3 Interfaces ........................................................................................................ 10

1.3.1 System Memory Support ......................................................................... 10

1.3.2 PCI Express* ......................................................................................... 11

1.3.3 Direct Media Interface Gen 2 (DMI2)......................................................... 12

1.3.4 Platform Environment Control Interface (PECI) ........................................... 13

1.4 Power Management Support ............................................................................... 13

1.4.1 Processor Package and Core States........................................................... 13

1.4.2 System States Support ...........................................................................13

1.4.3 Memory Controller.................................................................................. 13

1.4.4 PCI Express* ......................................................................................... 13

1.5 Thermal Management Support ............................................................................ 13

1.6 Package Summary............................................................................................. 14

1.7 Terminology ..................................................................................................... 14

1.8 Related Documents............................................................................................ 16

2 Interfaces................................................................................................................ 18

2.1 System Memory Interface................................................................................... 18

2.1.1 System Memory Technology Support ........................................................ 18

2.1.2 System Memory Timing Support............................................................... 18

2.2 PCI Express* Interface....................................................................................... 19

2.2.1 PCI Express* Architecture ....................................................................... 19

2.2.2 PCI Express* Configuration Mechanism ..................................................... 20

2.3 Direct Media Interface 2 (DMI2) / PCI Express* Interface .......................................21

2.3.1 DMI2 Error Flow ..................................................................................... 21

2.3.2 Processor / PCH Compatibility Assumptions................................................ 21

2.3.3 DMI2 Link Down..................................................................................... 21

2.4 Platform Environment Control Interface (PECI) ...................................................... 21

3 Technologies ........................................................................................................... 22

3.1 Intel

Virtualization Technology (Intel

VT).......................................................... 22

3.1.1 Intel

VT-x Objectives ............................................................................ 22

3.1.2 Intel

VT-x Features............................................................................... 23

3.1.3 Intel

VT-d Objectives ............................................................................ 23

3.1.4 Intel

Virtualization Technology Processor Extensions ................................. 24

3.2 Security Technologies ........................................................................................ 25

3.2.1 Intel

Advanced Encryption Standard New Instructions

(Intel

AES-NI) Instructions .................................................................... 25

3.2.2 Execute Disable Bit................................................................................. 25

3.3 Intel

Hyper-Threading Technology (Intel

HT Technology).................................... 25

3.4 Intel

Turbo Boost Technology............................................................................ 26

3.4.1 Intel

Turbo Boost Operating Frequency ................................................... 26

3.5 Enhanced Intel

SpeedStep

Technology............................................................. 26

3.6 Intel

Advanced Vector Extensions (Intel

AVX) ................................................... 27

4 Power Management ................................................................................................. 29

4.1 Advanced Configuration and Power Interface (ACPI) States Supported...................... 29

4.1.1 System States ....................................................................................... 29

4.1.2 Processor Package and Core States........................................................... 29

4.1.3 Integrated Memory Controller (IMC) States................................................ 31

4.1.4 Direct Media Interface Gen 2 (DMI2) / PCI Express* Link States ................... 31

4.1.5 G, S, and C State Combinations ...............................................................32