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Document Number: 322371-001Intel® Xeon® Processor 3400 SeriesDatasheet - Volume 1September 2009

Introduction10 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Figure 1-1. Intel® Xeon® Processor 3400 Series Platform Diagram ProcessorDiscrete

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 11Introduction1.1 Processor Feature Details• Four cores• A 32-KB instruction and 32-KB data fir

Introduction12 Intel® Xeon® Processor 3400 Series Datasheet, Volume 11.2 Interfaces1.2.1 System Memory SupportNotes:1. Non-ECC DIMMs are not supported

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 13Introduction1.2.2 PCI Express*• The processor PCI Express* port(s) are fully-compliant with t

Introduction14 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1• Re-issues Configuration cycles that have been previously completed with the Con

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 15Introduction1.3 Power Management Support1.3.1 Processor Core• Full support of ACPI C-states a

Introduction16 Intel® Xeon® Processor 3400 Series Datasheet, Volume 11.6 TerminologyTerm DescriptionDDR3 Third generation Double Data Rate SDRAM memor

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 17IntroductionProcessor The 64-bit multi-core component (package)Processor CoreThe term “proces

Introduction18 Intel® Xeon® Processor 3400 Series Datasheet, Volume 11.7 Related DocumentsRefer to the following documents for additional information.

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 19Interfaces2 InterfacesThis chapter describes the interfaces supported by the processor. 2.1 S

2 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL® PRODUCTS. NO LICENSE, EXPR

Interfaces20 Intel® Xeon® Processor 3400 Series Datasheet, Volume 12.1.2 System Memory Timing SupportThe IMC supports the following DDR3 Speed Bin, CA

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 21Interfaces2.1.3.2 Dual-Channel Mode — Intel® Flex Memory Technology ModeThe IMC supports Inte

Interfaces22 Intel® Xeon® Processor 3400 Series Datasheet, Volume 12.1.3.2.2 Dual-Channel Asymmetric ModeThis mode trades performance for system desig

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 23Interfaces2.1.5 Technology Enhancements of Intel® Fast Memory Access (Intel® FMA)The followin

Interfaces24 Intel® Xeon® Processor 3400 Series Datasheet, Volume 12.2 PCI Express* InterfaceThis section describes the PCI Express interface capabili

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 25Interfaces2.2.1.1 Transaction LayerThe upper layer of the PCI Express architecture is the Tra

Interfaces26 Intel® Xeon® Processor 3400 Series Datasheet, Volume 12.2.2 PCI Express* Configuration MechanismThe PCI Express (external graphics) link

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 27Interfaces2.2.3.1 PCI Express* Bifurcated ModeWhen bifurcated, the signals which had previous

Interfaces28 Intel® Xeon® Processor 3400 Series Datasheet, Volume 12.4 Platform Environment Control Interface (PECI)The PECI is a one-wire interface t

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 29Technologies3 Technologies3.1 Intel® Virtualization TechnologyIntel Virtualization Technology

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 3Contents1Introduction...

Technologies30 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1• Guest Preemption Timer— Mechanism for a VMM to preempt the execution of a guest

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 31Technologies3.1.5 Intel® VT-d Features Not SupportedThe following features are not supported

Technologies32 Intel® Xeon® Processor 3400 Series Datasheet, Volume 13.3 Intel® Hyper-Threading TechnologyThe processor supports Intel® Hyper-Threadin

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 33Power Management4 Power ManagementThis chapter provides information on the following power ma

Power Management34 Intel® Xeon® Processor 3400 Series Datasheet, Volume 14.1.4 PCI Express* Link States4.1.5 Interface State Combinations4.2 Processor

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 35Power Management4.2.1 Enhanced Intel® SpeedStep® TechnologyThe following are the key features

Power Management36 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Entry and exit of the C-States at the thread and core level are shown in Figu

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 37Power Management4.2.3 Requesting Low-Power Idle StatesThe primary software interfaces for req

Power Management38 Intel® Xeon® Processor 3400 Series Datasheet, Volume 14.2.4.1 Core C0 StateThe normal operating state of a core where code is being

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 39Power Management4.2.5 Package C-StatesThe processor supports C0, C1/C1E, C3, and C6 power sta

4 Intel® Xeon® Processor 3400 Series Datasheet, Volume 13.1.3 Intel® VT-d Objectives ...

Power Management40 Intel® Xeon® Processor 3400 Series Datasheet, Volume 14.2.5.1 Package C0The normal operating state for the processor. The processor

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 41Power Management4.2.5.3 Package C3 StateA processor enters the package C3 low power state whe

Power Management42 Intel® Xeon® Processor 3400 Series Datasheet, Volume 14.3.2 DRAM Power Management and InitializationThe processor implements extens

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 43Power Management4.3.2.4 DRAM I/O Power ManagementUnused signals should be disabled to save po

Power Management44 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 45Thermal Management5 Thermal ManagementFor thermal specifications and design guidelines, refer

Thermal Management46 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 47Signal Description6 Signal DescriptionThis chapter describes the processor signals. They are

Signal Description48 Intel® Xeon® Processor 3400 Series Datasheet, Volume 16.1 System Memory InterfaceTable 6-2. Memory Channel ASignal Name Descripti

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 49Signal DescriptionTable 6-3. Memory Channel BSignal Name Description Direction TypeSB_BS[2:0

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 57 Electrical Specifications...

Signal Description50 Intel® Xeon® Processor 3400 Series Datasheet, Volume 16.2 Memory Reference and Compensation6.3 Reset and Miscellaneous SignalsTab

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 51Signal Description6.4 PCI Express* Based Interface SignalsRSTIN#Reset In: When asserted this

Signal Description52 Intel® Xeon® Processor 3400 Series Datasheet, Volume 16.5 DMI — Processor to PCH Serial Interface6.6 PLL Signals6.7 Intel® Flexib

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 53Signal Description6.8 JTAG/ITP SignalsFDI_LSYNC[1]Intel® Flexible Display Interface Line Sync

Signal Description54 Intel® Xeon® Processor 3400 Series Datasheet, Volume 16.9 Error and Thermal ProtectionTable 6-11. Error and Thermal ProtectionSig

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 55Signal Description6.10 Power Sequencing6.11 Processor Core Power SignalsTable 6-12. Power Seq

Signal Description56 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1VID[7:6]VID[5:3]/CSC[2:0]VID[2:0]/MSID[2:0]VID[7:0] (Voltage ID) are used t

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 57Signal Description6.12 Graphics and Memory Core Power SignalsNote: The signals noted below as

Signal Description58 Intel® Xeon® Processor 3400 Series Datasheet, Volume 16.13 Ground and NCTF6.14 Processor Internal Pull Up/Pull Down§Table 6-15. G

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 59Electrical Specifications7 Electrical Specifications7.1 Power and Ground LandsThe processor h

6 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Tables1-1 Intel® Xeon® Processor 3400 Series Supported Memory Summary ...

Electrical Specifications60 Intel® Xeon® Processor 3400 Series Datasheet, Volume 17.3 Processor Clocking (BCLK[0], BCLK#[0])The processor uses a diffe

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 61Electrical SpecificationsTable 7-1. VRD 11.1/11.0 Voltage Identification Definition (Sheet 1

Electrical Specifications62 Intel® Xeon® Processor 3400 Series Datasheet, Volume 10 0 1 0 0 1 1 1 1.36875 1 0 0 0 0 0 1 0 0.800000 0 1 0 1 0 0 0 1.362

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 63Electrical SpecificationsNotes:1. The MSID[2:0] signals are provided to indicate the maximum

Electrical Specifications64 Intel® Xeon® Processor 3400 Series Datasheet, Volume 17.5 Reserved or Unused SignalsThe following are the general types of

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 65Electrical SpecificationsTable 7-3. Signal Groups (Sheet 1 of 2)1Signal GroupAlpha GroupType

Electrical Specifications66 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Notes:1. Refer to Chapter 6 for signal description details.2. SA and

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 67Electrical Specifications7.7 Test Access Port (TAP) ConnectionDue to the voltage levels suppo

Electrical Specifications68 Intel® Xeon® Processor 3400 Series Datasheet, Volume 17.9 DC SpecificationsThe processor DC specifications in this section

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 69Electrical SpecificationsNotes:1. VTT must be provided using a separate voltage source and no

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 7Revision History§Revision NumberDescription Date-001 • Initial releaseSeptember 2009

Electrical Specifications70 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Notes:1. The VCC_MIN and VCC_MAX loadlines represent static and tran

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 71Electrical SpecificationsFigure 7-1. VCC Static and Transient Tolerance Loadlines VID - 0.00

Electrical Specifications72 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Notes:1. Unless otherwise noted, all specifications in this table ap

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 73Electrical SpecificationsNotes:1. Unless otherwise noted, all specifications in this table ap

Electrical Specifications74 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Notes:1. Refer to the PCI Express Base Specification for more detail

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 75Electrical Specifications7.10.1 DC CharacteristicsThe PECI interface operates at a nominal vo

Electrical Specifications76 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 77Processor Land and Signal Information8 Processor Land and Signal Information8.1 Processor Lan

Processor Land and Signal Information78 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Figure 8-1. Socket Pinmap (Top View, Upper-Left Quadrant

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 79Processor Land and Signal InformationFigure 8-2. Socket Pinmap (Top View, Upper-Right Quadran

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

Processor Land and Signal Information80 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Figure 8-3. Socket Pinmap (Top View, Lower-Left Quadrant

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 81Processor Land and Signal InformationFigure 8-4. Socket Pinmap (Top View, Lower-Right Quadran

82 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Processor Land and Signal InformationTable 8-2. Processor Pin List by Pin NamePin Name Pin #

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 83Processor Land and Signal InformationGFX_VID[4] C12 CMOS OGFX_VID[5] G11 CMOS OGFX_VID[6] J11

84 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Processor Land and Signal InformationRSVD AH40RSVD AJ39RSVD AK12RSVD AK13RSVD AK14RSVD AK15RS

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 85Processor Land and Signal InformationSA_DQ[14] AP1 DDR3 I/OSA_DQ[15] AR4 DDR3 I/OSA_DQ[16] AT

86 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Processor Land and Signal InformationSA_MA[12] AW11 DDR3 OSA_MA[13] AU24 DDR3 OSA_MA[14] AT11

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 87Processor Land and Signal InformationSB_DQ[43] AM32 DDR3 I/OSB_DQ[44] AT31 DDR3 I/OSB_DQ[45]

88 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Processor Land and Signal InformationTRST# AM39 TAP IVAXG A14 PWRVAXG A15 PWRVAXG A17 PWRVAXG

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 89Processor Land and Signal InformationVCC D33 PWRVCC D35 PWRVCC D36 PWRVCC D38 PWRVCC D39 PWRV

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 9Introduction1 IntroductionThe Intel® Xeon® processor 3400 series are the next generation of 64

90 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Processor Land and Signal InformationVCC K33 PWRVCC K35 PWRVCC K36 PWRVCC K38 PWRVCC K39 PWRV

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 91Processor Land and Signal InformationVID[3]/CSC[0] U37 CMOS I/OVID[4]/CSC[1] U36 CMOS I/OVID[

92 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Processor Land and Signal InformationVSS AP17 GNDVSS AP20 GNDVSS AP24 GNDVSS AP26 GNDVSS AP27

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 93Processor Land and Signal InformationVSS F16 GNDVSS F2 GNDVSS F20 GNDVSS F23 GNDVSS F26 GNDVS

94 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Processor Land and Signal InformationVSS N40 GNDVSS P2 GNDVSS P5 GNDVSS R4 GNDVSS T33 GNDVSS

Intel® Xeon® Processor 3400 Series Datasheet, Volume 1 95Processor Land and Signal Information§VTT V40 PWRVTT V6 PWRVTT V7 PWRVTT V8 PWRVTT W1 PWRVTT

96 Intel® Xeon® Processor 3400 Series Datasheet, Volume 1Processor Land and Signal Information