Table Of Contents - Intel Itanium 2 Processor Datasheet

Contents
1 Introduction....................................................................................................................... 11
1.1
1.2
1.3
1.4
1.5
1.6
2 Electrical Specifications.................................................................................................... 15
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
3 Pinout Specifications ........................................................................................................ 37
4 Mechanical Specifications ................................................................................................ 69
4.1
4.2
5 Thermal Specifications ..................................................................................................... 75
5.1
5.2
6 System Management Feature Specifications................................................................... 79
6.1
Datasheet
Overview ............................................................................................................. 11
Processor Abstraction Layer ............................................................................... 11
Mixing Processors of Different Frequencies and Cache Sizes ........................... 12
Terminology......................................................................................................... 12
State of Data ....................................................................................................... 12
Reference Documents......................................................................................... 13
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Itanium 2 Processor System Bus ...................................................................... 15
2.1.1 System Bus Power Pins ......................................................................... 15
2.1.2 System Bus No Connect ........................................................................ 15
System Bus Signals ............................................................................................ 15
2.2.1 Signal Groups......................................................................................... 15
2.2.2 Signal Descriptions................................................................................. 16
Package Specifications ....................................................................................... 17
Signal Specifications ........................................................................................... 18
2.4.1 Maximum Ratings................................................................................... 22
System Bus Signal Quality Specifications and Measurement Guidelines........... 23
2.5.1 Overshoot/Undershoot Magnitude ......................................................... 23
2.5.2 Overshoot/Undershoot Pulse Duration................................................... 24
2.5.3 Activity Factor......................................................................................... 24
2.5.4 Reading Overshoot/Undershoot Specification Tables............................ 25
2.5.5 Determining if a System Meets the Overshoot/Undershoot
Specifications ......................................................................................... 25
2.5.6 Wired-OR Signals................................................................................... 28
Power Pod Connector Signals ............................................................................ 30
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Itanium 2 Processor System Bus Clock and Processor Clocking ..................... 32
Recommended Connections for Unused Pins ....................................................35
Mechanical Dimensions ...................................................................................... 69
Package Marking................................................................................................. 72
4.2.1 Processor Top-Side Marking.................................................................. 72
4.2.2 Processor Bottom-Side Marking............................................................. 72
Thermal Features ................................................................................................ 75
5.1.1 Thermal Alert.......................................................................................... 75
5.1.2 Enhanced Thermal Management ........................................................... 76
5.1.3 Thermal Trip ........................................................................................... 76
Case Temperature ..............................................................................................76
System Management Bus ................................................................................... 79
6.1.1 System Management Bus Interface ....................................................... 79
6.1.2 System Management Interface Signals.................................................. 79
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