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Intel® Xeon® Processor 7400 Series Datasheet 5
Figures
2-1 Intel® Xeon® X7460 Processor Load Current versus Time...................................... 28
2-2 Intel® Xeon® Processor E7400 Series Load Current versus Time ............................ 28
2-3 Intel® Xeon® Processor L7400 Series Load Current versus Time............................. 29
2-4 VCC Static and Transient Tolerance Load Lines......................................................31
2-5 VCC Overshoot Example Waveform...................................................................... 33
2-6 Input Device Hysteresis ..................................................................................... 35
2-7 Electrical Test Circuit .........................................................................................41
2-8 TCK Clock Waveform .........................................................................................42
2-9 Differential Clock Waveform................................................................................ 42
2-10 Differential Clock Crosspoint Specification.............................................................42
2-11 BCLK Waveform at Processor Pad and Pin.............................................................43
2-12 FSB Common Clock Valid Delay Timing Waveform ................................................. 43
2-13 FSB Source Synchronous 2X (Address) Timing Waveform .......................................44
2-14 FSB Source Synchronous 4X (Data) Timing Waveform............................................45
2-15 TAP Valid Delay Timing Waveform ....................................................................... 46
2-16 Test Reset (TRST#), Async GTL+ Input, and PROCHOT# Timing Waveform............... 46
2-17 THERMTRIP# Power Down Sequence ................................................................... 46
2-18 SMBus Timing Waveform.................................................................................... 47
2-19 SMBus Valid Delay Timing Waveform ...................................................................47
2-20 Voltage Sequence Timing Requirements ............................................................... 48
2-21 FERR#/PBE# Valid Delay Timing .........................................................................48
2-22 VID Step Timings ..............................................................................................49
2-23 VID Step Times and Vcc Waveforms .................................................................... 49
3-1 Processor Package Assembly Sketch ....................................................................51
3-2 Intel® Xeon® Processor 7400 Series Package Drawing (Sheet 1 of 2)...................... 52
3-3 Intel® Xeon® Processor 7400 Series Package Drawing (Sheet 2 of 2)...................... 53
3-4 Top Side Board Keepout Zones (Part 1)................................................................55
3-5 Top Side Board Keepout Zones (Part 2)................................................................56
3-6 Bottom Side Board Keepout Zones....................................................................... 57
3-7 Board Mounting-Hole Keepout Zones ...................................................................58
3-8 Volumetric Height Keep-Ins ................................................................................59
3-9 Processor Topside Markings................................................................................62
3-10 Processor Bottom-Side Markings .........................................................................62
3-11 Processor Pin-Out Coordinates, Top View.............................................................. 63
6-1 Intel® Xeon® X7460 Processor Thermal Profile..................................................... 91
6-2 6-Core Intel® Xeon® Processor E7400 Series Thermal Profile.................................93
6-3 4-Core Intel® Xeon® Processor E7400 Series Thermal Profile.................................94
6-4 6-Core Intel® Xeon® Processor L7400 Series Thermal Profile.................................95
6-5 4-Core Intel® Xeon® Processor L7400 Series Thermal Profile.................................96
6-6 Case Temperature (TCASE) Measurement Location ................................................97
6-7 Intel Thermal Monitor 2 Frequency and Voltage Ordering........................................99
6-8 PECI Topology ................................................................................................ 101
6-9 Conceptual Fan Control Diagram For a PECI-Based Platform.................................. 102
7-1 Stop Clock State Machine................................................................................. 108
7-2 Logical Schematic of SMBus Circuitry ................................................................. 111
- Datasheet 1
- Contents 3
- Revision History 7
- 1 Introduction 9
- 1.1 Terminology 11
- Introduction 12
- 1.2 State of Data 13
- 1.3 References 13
- 2 Electrical Specifications 15
- 2.2 Decoupling Guidelines 16
- Clocking 16
- 2.3.2 PLL Power Supply 18
- Electrical Specifications 20
- Table 2-4. FSB Signal Groups 21
- Asynchronous Signals 22
- 2.9 Mixing Processors 23
- Time Duration (s) 28
- Sustained Current (A) 28
- Table 2-10. V 30
- Figure 2-4. V 31
- 2.11.2 V 33
- Overshoot Specification 33
- 2.11.3 Die Voltage Validation 33
- 2.11.4.1 DC Characteristics 34
- 2.12 AGTL+ FSB Specifications 35
- Tp = T1: BCLK[1:0] period 42
- THERMTRIP# 46
- System bus 48
- FERR#/PBE# 48
- Figure 2-22. VID Step Timings 49
- 3 Mechanical Specifications 51
- Mechanical Specifications 52
- 3.7 Processor Materials 61
- 3.8 Processor Markings 62
- Processor 63
- 4 Pin Listing 65
- (Sheet 3 of 16) 66
- (Sheet 4 of 16) 66
- (Sheet 5 of 16) 67
- (Sheet 6 of 16) 67
- (Sheet 7 of 16) 68
- (Sheet 8 of 16) 68
- (Sheet 9 of 16) 69
- (Sheet 10 of 16) 69
- (Sheet 11 of 16) 70
- (Sheet 12 of 16) 70
- (Sheet 13 of 16) 71
- (Sheet 14 of 16) 71
- (Sheet 15 of 16) 72
- (Sheet 16 of 16) 72
- (Sheet 1 of 14) 73
- (Sheet 2 of 14) 73
- (Sheet 3 of 14) 74
- (Sheet 4 of 14) 74
- (Sheet 5 of 14) 75
- (Sheet 6 of 14) 75
- (Sheet 7 of 14) 76
- (Sheet 8 of 14) 76
- (Sheet 9 of 14) 77
- (Sheet 10 of 14) 77
- (Sheet 11 of 14) 78
- (Sheet 12 of 14) 78
- (Sheet 13 of 14) 79
- (Sheet 14 of 14) 79
- Pin Listing 80
- 5 Signal Definitions 81
- FSB agents 85
- . The processor includes 86
- 6 Thermal Specifications 89
- CASE_MAX 90
- CASE (°C) 91
- = 0.431 x Power + 45 95
- Power (W) 96
- Temperature (C) 96
- 6.1.2 Thermal Metrology 97
- 6.2.2 Intel Thermal Monitor 97
- 6.2.3 Intel Thermal Monitor 2 98
- 6.2.4 On-Demand Mode 99
- 6.2.5 PROCHOT# Signal 100
- 6.2.6 FORCEPR# Signal 100
- 6.2.7 THERMTRIP# Signal 100
- 6.3.1 Introduction 101
- 6.3.1.1 T 102
- 6.3.2.1 PECI Device Address 103
- 6.3.2.2 PECI Command Support 103
- 7 Features 105
- 7.2.2.1 HALT State 106
- 7.2.2.2 Extended HALT State 106
- 7.2.3 Stop-Grant State 108
- 7.3 Enhanced Intel SpeedStep 109
- Technology 109
- Features 110
- 7.4.1 SMBus Device Addressing 111
- Transactions 112
- 7.4.3.1 Header 115
- 7.4.3.2 Processor Data 119
- 0Eh-13h 120
- 7.4.3.3 Processor Core Data 121
- Offset: 1Ah-1Bh 122
- 7.4.3.4 Cache Data 124
- Offset: 29h-2Ah 125
- 2Bh-2Ch 125
- 2Dh-2Eh 125
- 7.4.3.5 Package Data 126
- 7.4.3.6 Part Number Data 127
- 38h-3Eh 128
- 3Fh-4Ch 128
- 4Dh=54h 128
- 55h-6Eh 128
- 71h-72h 129
- 7.4.3.8 Feature Data 130
- 7.4.3.9 OD: Other Data 131
- 7.4.4 Checksums 132
- 7.4.5 Scratch EEPROM 132
- 8 Debug Tools Specifications 133
- Debug Tools Specifications 134
- 9.1 Introduction 135
- 9.2 Thermal Specifications 135
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