Intel E7-4807 AT80615006432AB User Manual

Product codes

AT80615006432AB

Datasheet Volume 2 of 2

Contents

Introduction ..............................................................................................................7
1.1

Intel

Xeon

Processor E7-8800/4800/2800 Product Families Features......................7

1.2

Terminology and Conventions ...............................................................................9
1.2.1

Abbreviations ..........................................................................................9

1.3

Notational Conventions ...................................................................................... 11
1.3.1

Hexadecimal and Binary Numbers ............................................................ 11

Intel Xeon Processor E7-8800/4800/2800 Product Families Architecture ............... 13
2.1

Introduction ..................................................................................................... 13
2.1.1

Intel

Xeon

Processor 7500 Series-Based Platform Overview ..................... 14

2.2

Intel Xeon Processor E7-8800/4800/2800 Product Families Components (Boxes) ....... 15

Address Map............................................................................................................ 17
3.1

NodeID Generation............................................................................................ 17
3.1.1

DRAM Decoder....................................................................................... 17

3.1.2

I/O Decoder Map.................................................................................... 18

3.2

Intel

Trusted Execution Technology (Intel

TXT) ................................................. 19

3.2.1

Key Concepts......................................................................................... 19

LLC Coherence Engine (Cbox) and Caching Agent (Sbox)......................................... 21
4.1

Last Level Cache ............................................................................................... 21
4.1.1

LLC Major Features................................................................................. 22

4.2

RTID Generation ............................................................................................... 22

Home Agent and Global Coherence Engine (Bbox) ................................................... 25
5.1

Tracker Allocation Modes .................................................................................... 25
5.1.1

The Tracker Modes ................................................................................. 26

5.2

Directory Assisted Snoopy (DAS)......................................................................... 27

5.3

IO Directory Cache (IODC) ................................................................................. 27

System Configuration Controller (Ubox) .................................................................. 29
6.1

Introduction ..................................................................................................... 29

Memory Controller (Mbox)....................................................................................... 31
7.1

New Features on Intel Xeon Processor E7-8800/4800/2800 Product Families ............. 31

7.2

Memory Controller (Mbox) Support ...................................................................... 31

7.3

Double Device Data Correction (DDDC) ................................................................ 32
7.3.1

DDDC flow overview ............................................................................... 32

7.3.2

DDDC Constraints .................................................................................. 32

7.4

Leaky Bucket Error Counters............................................................................... 32
7.4.1

Per Rank Memory Error Counter ............................................................... 32

7.4.2

Error Flow Counters................................................................................ 32

7.5

Partial Memory Mirroring .................................................................................... 33
7.5.1

Usage Model.......................................................................................... 33

7.5.2

Overview .............................................................................................. 33

7.6

Mirroring Mode Restrictions................................................................................. 35

7.7

Intel

Dynamic Power Technology (Intel

DPT) .................................................... 35

7.7.1

Memory Power States ............................................................................. 36

Physical Layer (Pbox).............................................................................................. 37
8.1

Intel Xeon Processor E7-8800/4800/2800 Product Families Pbox Functional Overview 37

8.2

Intel

SMI Port specific deltas............................................................................. 37

8.3

Intel

QPI Port specific deltas ............................................................................. 37

Power Management Architecture (Wbox) ................................................................ 39
9.1

Thermal Management ........................................................................................ 39