64-bit Intel
®
Xeon™ Processor with 2
MB L2 Cache
Datasheet
Product Features
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Available at 2.80, 3, 3.20, 3.40, 3.60 GHz
90 nm process technology
Dual processing server/workstation support
Binary compatible with applications
running on previous members of Intel’s IA-
32 microprocessor line
Intel NetBurst
®
micro-architecture
Hyper-Threading Technology
Hardware support for multithreaded
applications
Fast 800 MHz system bus
Rapid Execution Engine: Arithmetic Logic
Units (ALUs) run at twice the processor
core frequency
Hyper Pipelined Technology
Advanced Dynamic Execution
Very deep out-of-order execution
Enhanced branch prediction
Execute Disable Bit
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Includes 16-KB Level 1 data cache
Intel
®
Extended Memory 64 Technology
(Intel
®
EM64T)
2 MB Advanced Transfer Cache (On-die,
full speed Level 2 (L2) Cache) with 8-way
associativity and Error Correcting Code
(ECC)
Enables system support of up to 64 GB of
physical memory
144 Streaming SIMD Extensions 2 (SSE2)
instructions
13 Streaming SIMD Extensions 3 (SSE3)
instructions
Enhanced floating-point and multimedia
unit for enhanced video, audio, encryption,
and 3D performance
System Management mode
Thermal Monitor
Machine Check Architecture (MCA)
Demand Based Switching (DBS) with
Enhanced Intel SpeedStep
®
Technology
The 64-bit Intel
®
Xeon™ processor with 2 MB L2 cache is designed for high-performance dual-
processor workstation and server applications. Based on the Intel NetBurst micro- architecture
and the Hyper-Threading Technology, it is binary compatible with previous Intel Architecture
(IA-32) processors. The 64-bit Intel Xeon processor with 2 MB L2 cache is scalable to two
processors in a multiprocessor system providing exceptional performance for applications
running on advanced operating systems such as Windows XP*, Windows Server* 2003, Linux*,
and UNIX*.
The 64-bit Intel Xeon processor with 2 MB L2 cache delivers
compute power at unparalleled value and flexibility for powerful
workstations, internet infrastructure, and departmental server
applications. The Intel NetBurst micro-architecture and Hyper-
Threading Technology deliver outstanding performance and
headroom for peak internet server workloads, resulting in faster
response times, support for more users, and improved scalability.
Document Number: 306249-001
February 2005
INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL® PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY
ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN
INTEL'S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS
ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES
RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER
INTELLECTUAL PROPERTY RIGHT. Intel products are not intended for use in medical, life saving, life sustaining applications.
Intel may make changes to specifications and product descriptions at any time, without notice.
Designers must not rely on the absence or characteristics of any features or instructions marked “reserved” or “undefined.” Intel reserves these for
future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
The Intel
®
Itanium
®
2 Processor may contain design defects or errors known as errata which may cause the product to deviate from published
specifications. Current characterized errata are available on request.
MPEG is an international standard for video compression/decompression promoted by ISO. Implementations of MPEG CODECs, or MPEG enabled
platforms may require licenses from various entities, including Intel Corporation.
Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.
Copies of documents which have an ordering number and are referenced in this document, or other Intel literature may be obtained by calling
1-800-548-4725 or by visiting Intel's website at http://www.intel.com.
Intel, Pentium, Intel Xeon, SpeedStep, Intel NetBurst, Intel Extended Memory 64 Technology, and Itanium are trademarks or registered trademarks of
Intel Corporation or its subsidiaries in the United States and other countries.
Intel® Extended Memory 64 Technology (Intel® EM64T) requires a computer system with a processor, chipset, BIOS, OS, device drivers and
applications enabled for Intel EM64T. Processor will not operate (including 32-bit operation) without an Intel EM64T-enabled BIOS. Performance will
vary depending on your hardware and software configurations. Intel EM64T-enabled OS, BIOS, device drivers and applications may not be available.
Check with your vendor for more information.
*Other names and brands may be claimed as the property of others.
Copyright © 2005, Intel Corporation
2
Datasheet
Contents
Contents
1
Introduction
..................................................................................................................9
1.1
1.2
1.3
Terminology.........................................................................................................10
References .......................................................................................................... 12
State of Data ....................................................................................................... 13
Power and Ground Pins ...................................................................................... 15
Decoupling Guidelines ........................................................................................15
2.2.1 VCC Decoupling .....................................................................................15
2.2.2 VTT Decoupling...................................................................................... 15
2.2.3 Front Side Bus AGTL+ Decoupling ........................................................ 15
Front Side Bus Clock (BCLK[1:0]) and Processor Clocking................................16
2.3.1 Front Side Bus Frequency Select Signals (BSEL[1:0]) .......................... 16
2.3.2 Phase Lock Loop (PLL) and Filter ..........................................................17
Voltage Identification (VID)..................................................................................18
Reserved Or Unused Pins................................................................................... 20
Front Side Bus Signal Groups............................................................................. 20
GTL+ Asynchronous and AGTL+ Asynchronous Signals ...................................22
Test Access Port (TAP) Connection....................................................................22
Mixing Processors ...............................................................................................23
Absolute Maximum and Minimum Ratings ..........................................................23
Processor DC Specifications...............................................................................24
2.11.1 Flexible Motherboard Guidelines (FMB).................................................24
2.11.2 VCC Overshoot Specification .................................................................28
2.11.3 Die Voltage Validation ............................................................................ 29
Package Mechanical Drawings ...........................................................................34
Processor Component Keepout Zones ............................................................... 37
Package Loading Specifications ......................................................................... 37
Package Handling Guidelines ............................................................................. 38
Package Insertion Specifications ........................................................................38
Processor Mass Specifications ...........................................................................38
Processor Materials............................................................................................. 38
Processor Markings............................................................................................. 39
Processor Pin-Out Coordinates...........................................................................40
Signal Definitions................................................................................................. 43
64-bit Intel® Xeon™ Processor with 2 MB L2 Cache Pin Assignments.............. 53
5.1.1 Pin Listing by Pin Name ......................................................................... 53
5.1.2 Pin Listing by Pin Number ...................................................................... 61
2
Electrical Specifications
...................................................................................... 15
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
3
Mechanical Specifications
.................................................................................... 33
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4
5
Signal Definitions
..................................................................................................... 43
4.1
5.1
Pin Listing
...................................................................................................................53
Datasheet
3
6
Thermal Specifications
......................................................................................... 69
6.1
6.2
Package Thermal Specifications ......................................................................... 69
6.1.1 Thermal Specifications ........................................................................... 69
6.1.2 Thermal Metrology ................................................................................. 73
Processor Thermal Features............................................................................... 73
6.2.1 Thermal Monitor ..................................................................................... 73
6.2.2 Thermal Monitor 2 .................................................................................. 74
6.2.3 On-Demand Mode.................................................................................. 75
6.2.4 PROCHOT# Signal Pin .......................................................................... 76
6.2.5 FORCEPR# Signal Pin .......................................................................... 76
6.2.6 THERMTRIP# Signal Pin ....................................................................... 76
6.2.7 TCONTROL and Fan Speed Reduction................................................. 76
6.2.8 Thermal Diode........................................................................................ 77
Power-On Configuration Options ........................................................................ 79
Clock Control and Low Power States.................................................................. 79
7.2.1 Normal State .......................................................................................... 80
7.2.2 HALT or Enhanced HALT Power Down States...................................... 80
7.2.2.1 HALT Power Down State .......................................................... 80
7.2.2.2 Enhanced HALT Power Down State ......................................... 80
7.2.3 Stop Grant State .................................................................................... 81
7.2.4 Enhanced HALT Snoop or HALT Snoop State, Stop Grant
Snoop State ........................................................................................... 82
7.2.4.1 HALT Snoop State, Stop Grant Snoop State ............................ 82
7.2.4.2 Enhanced HALT Snoop State ................................................... 82
7.2.5 Sleep State............................................................................................. 82
Demand Based Switching (DBS) with Enhanced Intel SpeedStep
®
Technology83
Introduction ......................................................................................................... 85
Mechanical Specifications ................................................................................... 87
8.2.1 Boxed Processor Heatsink Dimensions (CEK) ...................................... 87
8.2.2 Boxed Processor Heatsink Weight......................................................... 95
8.2.2.1 Thermal Solution Weight ........................................................... 95
8.2.3 Boxed Processor Retention Mechanism and Heatsink Support (CEK).. 95
Electrical Requirements ...................................................................................... 95
8.3.1 Fan Power Supply (Active CEK) ............................................................ 95
8.3.2 Boxed Processor Cooling Requirements ............................................... 97
8.3.2.1 1U Passive CEK Heatsink (1U Form Factor) ............................ 97
8.3.2.2 2U Passive CEK Heatsink (2U and above Form Factor) .......... 97
8.3.2.3 2U+ Active CEK Thermal Solution (2U+ and above Pedestal) . 97
Boxed Processor Contents ................................................................................. 98
Debug Port System Requirements...................................................................... 99
Target System Implementation ........................................................................... 99
9.2.1 System Implementation.......................................................................... 99
Logic Analyzer Interface (LAI) ............................................................................ 99
9.3.1 Mechanical Considerations .................................................................. 100
9.3.2 Electrical Considerations...................................................................... 100
7
Features
....................................................................................................................... 79
7.1
7.2
7.3
8
Boxed Processor Specifications
....................................................................... 85
8.1
8.2
8.3
8.4
9
Debug Tools Specifications
................................................................................. 99
9.1
9.2
9.3
4
Datasheet
Figures
2-1
2-2
2-3
2-4
3-1
3-2
3-3
3-4
3-5
3-6
3-7
6-1
6-2
6-3
7-1
8-1
8-2
8-3
8-4
8-5
8-6
8-7
8-8
8-9
8-10
8-11
8-12
Phase Lock Loop (PLL) Filter Requirements ...................................................... 17
64-bit Intel
®
Xeon™ Processor with 2 MB L2 Cache Load Current Vs. Time.....26
VCC Static and Transient Tolerance................................................................... 28
VCC Overshoot Example Waveform................................................................... 29
Processor Package Assembly Sketch.................................................................33
Processor Package Drawing (Sheet 1 of 2) ........................................................ 35
Processor Package Drawing (Sheet 2 of 2) ........................................................ 36
Processor Top-Side Markings (Example)............................................................ 39
Processor Bottom-Side Markings (Example) ...................................................... 39
Processor Pinout Coordinates, Top View............................................................ 40
Processor Pinout Coordinates, Bottom View ...................................................... 41
64-bit Intel
®
Xeon™ Processor with 2 MB L2 Cache Thermal Profiles
A and B (PRB = 1)...............................................................................................71
Case Temperature (TCASE) Measurement Location ......................................... 73
Demand Based Switching Frequency and Voltage Ordering .............................. 75
Stop Clock State Machine ................................................................................... 81
1U Passive CEK Heatsink................................................................................... 85
2U Passive CEK Heatsink................................................................................... 86
Active CEK Heatsink (Representation Only) .......................................................86
Passive 64-bit Intel
®
Xeon™ Processor with 2 MB L2 Cache Thermal
Solution (2U and Larger) .....................................................................................87
Top-Side Board Keepout Zones (Part 1)............................................................. 88
Top-Side Board Keepout Zones (Part 2)............................................................. 89
Bottom-Side Board Keepout Zones.....................................................................90
Board Mounting Hole Keepout Zones .................................................................91
Volumetric Height Keep-Ins................................................................................. 92
4-Pin Fan Cable Connector (For Active CEK Heatsink)......................................93
4-Pin Base Board Fan Header (For Active CEK Heatsink) ................................. 94
Fan Cable Connector Pinout for 4-Pin Active CEK Thermal Solution ................. 96
Tables
1-1
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
2-10
2-11
2-12
2-13
2-14
Datasheet
Features of the 64-bit Intel
®
Xeon™ Processor with 2 MB L2 Cache ................. 10
Core Frequency to Front Side Bus Multiplier Configuration ................................16
BSEL[1:0] Frequency Table ................................................................................ 17
Voltage Identification Definition 2, 3 ....................................................................19
Front Side Bus Signal Groups............................................................................. 21
Signal Description Table .....................................................................................22
Signal Reference Voltages..................................................................................22
Absolute Maximum and Minimum Ratings ..........................................................23
Voltage and Current Specifications .....................................................................25
VCC Static and Transient Tolerance................................................................... 27
VCC Overshoot Specifications ............................................................................ 28
BSEL[1:0] and VID[5:0] Signal Group DC Specifications.................................... 29
AGTL+ Signal Group DC Specifications ............................................................. 30
PWRGOOD Input and TAP Signal Group DC Specifications.............................. 30
GTL+ Asynchronous and AGTL+ Asynchronous Signal Group DC
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