Intel i7-3970X CM8061901281201 User Manual

Product codes

CM8061901281201

Datasheet, Volume 1

Contents

Introduction ..............................................................................................................9
1.1

Processor Feature Details ................................................................................... 11
1.1.1

Supported Technologies .......................................................................... 11

1.2

Interfaces ........................................................................................................ 11
1.2.1

System Memory Support ......................................................................... 11

1.2.2

PCI Express* ......................................................................................... 12

1.2.3

Direct Media Interface (DMI).................................................................... 14

1.2.4

Platform Environment Control Interface (PECI)........................................... 14

1.2.5

Processor Graphics ................................................................................. 14

1.2.6

Intel

Flexible Display Interface (Intel

FDI) ............................................. 15

1.3

Power Management Support ............................................................................... 15
1.3.1

Processor Core....................................................................................... 15

1.3.2

System ................................................................................................. 15

1.3.3

Memory Controller.................................................................................. 15

1.3.4

PCI Express* ......................................................................................... 16

1.3.5

Direct Media Interface (DMI).................................................................... 16

1.3.6

Processor Graphics Controller (GT) ........................................................... 16

1.3.7

Thermal Management Support ................................................................. 16

1.4

Processor SKU Definitions................................................................................... 16

1.5

Package ........................................................................................................... 17

1.6

Processor Compatibility ...................................................................................... 17

1.7

Terminology ..................................................................................................... 19

1.8

Interfaces................................................................................................................ 23
2.1

System Memory Interface .................................................................................. 23
2.1.1

System Memory Technology Supported ..................................................... 23

2.1.2

System Memory Timing Support............................................................... 24

2.1.3

System Memory Organization Modes......................................................... 25
2.1.3.1

Single-Channel Mode................................................................. 25

2.1.3.2

Dual-Channel Mode – Intel

Flex Memory Technology Mode ........... 25

2.1.4

Rules for Populating Memory Slots............................................................ 26

2.1.5

Technology Enhancements of Intel

Fast Memory Access (Intel

FMA).......... 27

2.1.5.1

Just-in-Time Command Scheduling.............................................. 27

2.1.5.2

Command Overlap .................................................................... 27

2.1.5.3

Out-of-Order Scheduling ............................................................ 27

2.1.6

Data Scrambling .................................................................................... 27

2.1.7

DDR3 Reference Voltage Generation ......................................................... 27

2.2

PCI Express* Interface....................................................................................... 28
2.2.1

PCI Express* Architecture ....................................................................... 28
2.2.1.1

Transaction Layer ..................................................................... 29

2.2.1.2

Data Link Layer ........................................................................ 29

2.2.1.3

Physical Layer .......................................................................... 29

2.2.2

PCI Express* Configuration Mechanism ..................................................... 30

2.2.3

PCI Express* Port................................................................................... 31
2.2.3.1

PCI Express* Lanes Connection .................................................. 31

2.3

Direct Media Interface (DMI)............................................................................... 32
2.3.1

DMI Error Flow....................................................................................... 32

2.3.2

Processor / PCH Compatibility Assumptions................................................ 32

2.3.3

DMI Link Down ...................................................................................... 32

2.4

Processor Graphics Controller (GT) ...................................................................... 33