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Intel Mechanical Drawings, , Figure 13. (G)MCH Reference Heatsink for ATX Platforms Sheet 2

Models: 945G 945GC 945GZ 945P 945PL

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Mechanical Drawingss

32 Thermal and Mechanical Design Guidelines

Figure 13. (G)MCH Reference Heatsink for ATX Platforms – Sheet 2

2X 60.6

.02 4[]

TYP 62.75 0.1

.108 .003[]

61.5 0.15

.059 .005[]

66.72 0.15

.265 .005[]

R0.5

.020[]

2X 15

.591[]

.630[]

25.5

1.004[]

2.5984[]

TYP 4.1575[]

TYP 135

TYP R1.039[]

TYP DETAIL A

SCALE 5

TYP.

NO BURR ALL AROUND

DETAIL B

SCALE 5

BOTTOM VIEW

CHOMER ICS:

69-12-22350-T710

4X 45 X 1 [.039]

0.1 [.003]

Contents

Main Intel 945G/945GZ/945GC/ 945P/945PL Express Chipset Family Page Contents Figures Tables Revision History Page 1 Introduction 1.1 Terminology Term Description 1.2 Reference Documents Page 2 Product Specifications 2.1 Package Description 2.1.1 Non-Grid Array Package Ball Placement 2.2 Package Loading Specifications 2.3 Thermal Specifications 2.4 Thermal Design Power (TDP) 2.4.1 Methodology 2.4.1.1 Pre-Silicon 2.4.1.2 Post-Silicon 2.4.2 Application Power 3 Thermal Metrology 3.1 Case Temperature Measurements 3.1.1 Thermocouple Attach Methodology 3.2 Airflow Characterization Page Page 4 Reference Thermal Solution 4.1 Operating Environment 4.1.1 ATX Form Factor Operating Environment 4.1.2 Balanced Technology Extended (BTX) Form Factor Operating Environment 4.2 Mechanical Design Envelope 4.3 Thermal Solution Assembly Page Page 4.4 Environmental Reliability Requirements Enabled Suppliers Appendix A Enabled Suppliers monica_chih@ccic.com.tw Page Mechanical Drawings Appendix B Mechanical Drawings The following table lists the mechanical drawings available in this document. Page NORTH SCALE 8 DETAIL A EAST Mechanical Drawings DETAIL A SCALE 5 Figure 11. (G)MCH Component Keep-Out Restrictions for Balanced Technology Extended (BTX) Platforms Mechanical Drawings Figure 12. (G)MCH Reference Heatsink for ATX Platforms Sheet 1 Mechanical Drawings Figure 13. (G)MCH Reference Heatsink for ATX Platforms Sheet 2 Mechanical Drawings [] Mechanical Drawings Figure 15. (G)MCH Reference Heatsink for ATX Platforms Ramp Retainer Sheet 1 Mechanical Drawings Figure 16. (G)MCH Reference Heatsink for ATX Platforms Ramp Retainer Sheet 2 Mechanical Drawings Figure 17. (G)MCH Reference Heatsink for ATX Platforms Wire Preload Clip Mechanical Drawings Figure 18. (G)MCH Reference Heatsink for Balanced Technology Extended (BTX) Platforms Mechanical Drawings Figure 19. (G)MCH Reference Heatsink for Balanced Technology Extended (BTX) Platforms Clip Mechanical Drawings