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Intel 830 Figure 2-1. VCC Static and Transient Tolerance for 775_VR_CONFIG_05A Pentium D Processor

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Electrical Specifications

NOTES:

1. The loadline specification includes both static and transient limits except for overshoot allowed as shown in

Section2.5.3.

2. This loadline specification shows the deviation from the VID set point.

3. The loadlines specify voltage limits at the die measured at the VCC_SENSE and VSS_SENSE lands. Voltage

regulation feedback for voltage regulator circuits must be taken from processor VCC and VSS lands. Refer to

the Voltage Regulator Down (VRD) 10.1 Design Guide For Desktop LGA775 Socket for socket loadline

guidelines and VR implementation details.

Figure 2-1. VCC Static and Transient Tolerance for 775_VR_CONFIG_05A Pentium D Processor

VID - 0.000

VID - 0.013

VID - 0.025

VID - 0.038

VID - 0.050

VID - 0.063

VID - 0.075

VID - 0.088

VID - 0.100

VID - 0.113

VID - 0.125

VID - 0.138

VID - 0.150

VID - 0.163

VID - 0.175

VID - 0.188

0102030405060708090100

Icc [A]

Vcc [V]

Vcc Maximum

Vcc Typical

Vcc Minimum

Contents

Main Contents Contents Page Figures Tables Revision History Page Intel Pentium D Processor 800 Sequence Features Page 1 1.1 Terminology 1.1.1 Processor Packaging Terminology Introduction 1.2 References Table 1-1. References Page 2 2.1 Power and Ground Lands 2.2 Decoupling Guidelines 2.2.1 VCC Decoupling 2.2.2 VTT Decoupling 2.3 Voltage Identification Table 2-1. Voltage Identification Definition 2.4 Reserved, Unused, FC and TESTHI Signals 2.5 Voltage and Current Specifications 2.5.1 Absolute Maximum and Minimum Ratings 2.5.2 DC Voltage and Current Specifications Table 2-3. Voltage and Current Specifications Table 2-4. VCC Static and Transient Tolerance for 775_VR_CONFIG_05A Pentium D Processor Figure 2-1. VCC Static and Transient Tolerance for 775_VR_CONFIG_05A Pentium D Processor Table 2-5. VCC Static and Transient Tolerance for 775_VR_CONFIG_05B Pentium D Processor Figure 2-2. VCC Static and Transient Tolerance for 775_VR_CONFIG_05B Pentium D Processor 2.5.3 VCC Overshoot Specification Time Example Overshoot Waveform T VID 2.6 Signaling Specifications 2.6.1 FSB Signal Groups Table 2-7. FSB Signal Groups 2.6.2 GTL+ Asynchronous Signals Table 2-8. Signal Characteristics Table 2-9. Signal Reference Voltages 2.6.3 FSB DC Specifications Table 2-11. GTL+ Signal Group DC Specifications Table 2-12. PWRGOOD Input and TAP Signal Group DC Specifications Table 2-13. GTL+ Asynchronous Signal Group DC Specifications 2.6.3.1 GTL+ Front Side Bus Specifications Table 2-14. VTTPWRGD DC Specifications Table 2-15. BOOTSELECT and MSID[1:0] DC Specifications Table 2-16. GTL+ Bus Voltage Definitions 2.7 Clock Specifications 2.7.1 FSB Clock (BCLK[1:0]) and Processor Clocking 2.7.2 FSB Frequency Select Signals 2.7.3 Phase Lock Loop (PLL) and Filter Figure 2-4. Phase Lock Loop (PLL) Filter Requirements 3 Specifications 3.1 Package Mechanical Drawing Page Page Page 3.2 Processor Component Keep-Out Zones 3.3 Package Loading Specifications 3.4 Package Handling Guidelines 3.5 Package Insertion Specifications 3.6 Processor Mass Specification 3.7 Processor Materials 3.8 Processor Markings Page Package Mechanical Specifications 3.9 Processor Land Coordinates Figure 3-7. Processor Land Coordinates, Top View Socket LGA775 Quadrants Top View V CC / V VTT / Clocks Data 4 Figure 4-1. Landout Diagram (Top View Left Side) Figure 4-2. Landout Diagram (Top View Right Side) Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 4.2 Alphabetical Signals Reference Table 4-3. Signal Description (Sheet 1 of 8) Table 4-3. Signal Description (Sheet 2 of 8) Table 4-3. Signal Description (Sheet 3 of 8) Table 4-3. Signal Description (Sheet 4 of 8) Table 4-3. Signal Description (Sheet 5 of 8) Table 4-3. Signal Description (Sheet 6 of 8) Table 4-3. Signal Description (Sheet 7 of 8) Table 4-3. Signal Description (Sheet 8 of 8) Page 5 Design Considerations 5.1 Processor Thermal Specifications 5.1.1 Thermal Specifications Page Figure 5-1. Thermal Profile for the Pentium D Processor with PRB=1 Figure 5-2. Thermal Profile for the Pentium D Processor with PRB=0 5.1.2 Thermal Metrology 5.2 Processor Thermal Features 5.2.1 Thermal Monitor 5.2.2 On-Demand Mode 5.2.3 PROCHOT# Signal 5.2.4 FORCEPR# Signal Pin 5.2.5 THERMTRIP# Signal 5.2.6 TCONTROL and Fan Speed Reduction 5.2.7 Thermal Diode Page Page 6 6.1 Power-On Configuration Options 6.2 Clock Control and Low Power States 6.2.1 Normal State 6.2.2 HALT and Enhanced HALT Powerdown States 6.2.2.1 HALT Powerdown State 6.2.2.2 Enhanced HALT Powerdown State 6.2.3 Stop-Grant State 6.2.4 Enhanced HALT Snoop or HALT Snoop State, Grant Snoop State 6.2.4.1 HALT Snoop State, Grant Snoop State 6.2.4.2 Enhanced HALT Snoop State 6.2.5 Enhanced Intel SpeedStep Techn olo gy 7 7.1 Mechanical Specifications 7.1.1 Boxed Processor Cooling Solution Dimensions 7.1.2 Boxed Processor Fan Heatsink Weight 7.1.3 Boxed Processor Retention Mechanism and Heatsink Attach Clip Assembly 7.2 Electrical Requirements 7.2.1 Fan Heatsink Power Supply Page 7.3 Thermal Specifications 7.3.1 Boxed Processor Cooling Requirements Page 7.3.2 Variable Speed Fan Page 8 (BTX) Type I Boxed Processor Specifications 8.1 Mechanical Specifications 8.1.1 Cooling Solution Dimensions 8.1.2 Boxed Processor Fan Heatsink Weight 8.1.3 Boxed Processor Support and Retention Module (SRM) 8.2 Electrical Requirements 8.2.1 Fan Heatsink Power Supply Page 8.3 Thermal Specifications 8.3.1 Boxed Processor Cooling Requirements 8.3.2 Variable Speed Fan Page Page 9 9.1 Logic Analyzer Interface (LAI) 9.1.1 Mechanical Considerations 9.1.2 Electrical Considerations