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Intel I/O Controller Hub 7 (ICH7)
Thermal Design Guidelines
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— For the Intel 82801GB ICH7 and 82801GR ICH7R I/O
Controller Hubs
April 2005
Document Number: 307015-001
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The Intel I/O Controller Hub 7 (ICH7) component may contain design defects or errors known as errata, which may cause the
product to deviate from published specifications. Current characterized errata are available on request.
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Copyright © 2005 Intel Corporation. All rights reserved.
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Intel I/O Controller Hub 7 (ICH7) Thermal Design Guide
Contents
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Appendix A
Appendix B
Introduction..........................................................................................................................7 1.1 Terminology ............................................................................................................8
1.2 Reference Documents............................................................................................8
Product Specifications.........................................................................................................9
2.1 Package Description...............................................................................................9
2.2 Thermal Specifications ...........................................................................................9
2.3 Power Specifications ............................................................................................11
Thermal Metrology.............................................................................................................13
3.1 Case Temperature Measurements.......................................................................13
3.2 0° Angle Thermocouple Attach Methodology .......................................................13
3.3 Ambient Temperature and Airflow Measurement.................................................14
Alternative Heatsink Determination Guidance ..................................................................17
4.1 Configurations Supported in this Methodology.....................................................17
4.2 System Configuration for T Analysis...................................................................18
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4.3 Heatsink Determination Procedure.......................................................................18
4.3.1 Procedure Description...........................................................................18
4.3.2 Application.............................................................................................20
4.4 Heatsink Adequacy Determination Procedure .....................................................21
4.4.1 Procedure Description...........................................................................21
4.4.2 Application.............................................................................................22
Reference Thermal Solution..............................................................................................23
5.1 Environmental Reliability Requirements...............................................................23
Enabled Suppliers .............................................................................................................25
Mechanical Drawings ........................................................................................................27
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Intel I/O Controller Hub 7 (ICH7) Thermal Design Guide
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Figures Figure 1. 0° Angle Attach Methodology (Top View, Not to Scale) ....................................14
Figure 2. 0° Angle Attach Heatsink Modifications (Generic Heatsink Shown, Not to Scale)
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Figure 3. Recommended Temperature Measurement Placement (Top View) .................15
Figure 4. Recommended Airflow and Temperature Placement (Side View) ....................15
Figure 5. Heatsink Determination Chart (Configuration 1 and 4)......................................19
Figure 6. Heatsink Determination Chart (Configuration 2 and 3)......................................19
Figure 7. Heatsink Adequacy Determination Chart (Configurations 1 and 4)...................21
Figure 8. Heatsink Adequacy Determination Chart (Configurations 2 and 3)...................22
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Figure 9. Intel ICH7 Component Package Drawing ........................................................28
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Figure 10. Intel ICH7 Motherboard Reference Keep-Out................................................29
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Figure 11. Intel ICH7 Reference Heatsink Extrusion ......................................................30
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Figure 12. Intel ICH7 Reference Heatsink Clip ...............................................................31
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Figure 13. Intel ICH7 Reference Heatsink Assembly......................................................32
Tables
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Table 1. Intel ICH7 Component Case Temperature Specifications ................................10
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Table 2. Intel
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