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Intel Mechanical Drawings, , Figure 19. (G)MCH Reference Heatsink for Balanced Technology Extended (BTX) Platforms Clip

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

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Mechanical Drawingss

38 Thermal and Mechanical Design Guidelines

Figure 19. (G)MCH Reference Heatsink for Balanced Technology Extended (BTX) Platforms – Clip

BB2X 90

27.3

1.075[]

47.36

1.865[]

TYP

1.3

.051[]

8.87 1.25

.349 .0 49[]

4X R 1.8

.071[]

3.8

.150[]

62.6 1

2.465 .039[]

25.14

.990[]

WIR E TER MIN ATIO N

WITHIN 10.0

4.1

.161[]

2X 26.16

1.030[]

35.3

1.390[]

()1.80

.071[]

()3.80

.150[]

()10.27

.404[]

NOTES:

1. REMO VE ALL SH ARP ED GES AND BUR RS

2. MATERIAL : ASTM A228 MUSIC W IRE 1.8 MM ST OCK

3. TOTAL WIRE LENGTH = 121.9 M M

4 CRITI CAL TO FUNCTI O N DIMENSIONS

5. PLATING : ELECTR O- LESS NIC KEL

FAR SIDE

FAR SI DE

VIEW A

SEE DETAIL C

SECTION B-B

SCALE 10:1

DETAIL C

SCAL E 8:1

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