Intel Itanium 2 Processor manual Contents

Contents

1	Introduction			11
	1.1	Overview		11
	1.2	Processor Abstraction Layer		11
	1.3	Mixing Processors of Different Frequencies and Cache Sizes		12
	1.4	Terminology		12
	1.5	State of Data		12
	1.6	Reference Documents		13
2	Electrical Specifications			15
	2.1	Itanium® 2 Processor System Bus		15
		2.1.1 System Bus Power Pins		15
		2.1.2 System Bus No Connect		15
	2.2	System Bus Signals		15
		2.2.1	Signal Groups	15
		2.2.2	Signal Descriptions	16
	2.3	Package Specifications		17
	2.4	Signal Specifications		18
		2.4.1	Maximum Ratings	22
	2.5	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
	2.6	Power Pod Connector Signals		30
	2.7	Itanium® 2 Processor System Bus Clock and Processor Clocking		32
	2.8	Recommended Connections for Unused Pins		35
3	Pinout Specifications			37
4	Mechanical Specifications			69
	4.1	Mechanical Dimensions		69
	4.2	Package Marking		72
		4.2.1	Processor Top-Side Marking	72
		4.2.2	Processor Bottom-Side Marking	72
5	Thermal Specifications			75
	5.1	Thermal Features		75
		5.1.1	Thermal Alert	75
		5.1.2	Enhanced Thermal Management	76
		5.1.3	Thermal Trip	76
	5.2	Case Temperature		76
6	System Management Feature Specifications			79
	6.1	System Management Bus		79
		6.1.1 System Management Bus Interface		79
		6.1.2 System Management Interface Signals		79

Datasheet 3