Datasheet

ManualsBrandsIntel Manualscomputer componentsBX80605X3450

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 3

Contents

1Introduction..............................................................................................................9

1.1 Processor Feature Details ...................................................................................11

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

1.2 Interfaces ........................................................................................................12

1.2.1 System Memory Support.........................................................................12

1.2.2 PCI Express* .........................................................................................13

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

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

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* .........................................................................................15

1.4 Thermal Management Support ............................................................................15

1.5 Package...........................................................................................................15

1.6 Terminology .....................................................................................................16

1.7 Related Documents ...........................................................................................18

2Interfaces................................................................................................................19

2.1 System Memory Interface ..................................................................................19

2.1.1 System Memory Technology Supported.....................................................19

2.1.2 System Memory Timing Support...............................................................20

2.1.3 System Memory Organization Modes.........................................................20

2.1.3.1 Single-Channel Mode.................................................................20

2.1.3.2 Dual-Channel Mode — Intel

Flex Memory Technology Mode..........21

2.1.4 Rules for Populating Memory Slots............................................................22

2.1.5 Technology Enhancements of Intel

Fast Memory Access (Intel

FMA)..........23

2.1.5.1 Just-in-Time Command Scheduling..............................................23

2.1.5.2 Command Overlap....................................................................23

2.1.5.3 Out-of-Order Scheduling............................................................23

2.1.6 System Memory Pre-Charge Power Down Support Details............................23

2.2 PCI Express* Interface.......................................................................................24

2.2.1 PCI Express* Architecture .......................................................................24

2.2.1.1 Transaction Layer .....................................................................25

2.2.1.2 Data Link Layer ........................................................................25

2.2.1.3 Physical Layer ..........................................................................25

2.2.2 PCI Express* Configuration Mechanism .....................................................26

2.2.3 PCI Express* Ports and Bifurcation ...........................................................26

2.2.3.1 PCI Express* Bifurcated Mode ....................................................27

2.3 Direct Media Interface (DMI)...............................................................................27

2.3.1 DMI Error Flow.......................................................................................27

2.3.2 Processor/PCH Compatibility Assumptions..................................................27

2.3.3 DMI Link Down ......................................................................................27

2.4 Platform Environment Control Interface (PECI)......................................................28

2.5 Interface Clocking .............................................................................................28

2.5.1 Internal Clocking Requirements................................................................28

3 Technologies ...........................................................................................................29

3.1 Intel

Virtualization Technology..........................................................................29

3.1.1 Intel

VT-x Objectives............................................................................29

3.1.2 Intel

VT-x Features ..............................................................................29