Intel Pentium 4 Design Manual
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Intel Pentium 4 Design Manual

Intel Pentium 4 Design Manual

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See also: User Manual , Design Manual
®
®
Intel
Pentium
4 Processor
in the 423-pin Package
Thermal-Mechanical Support
Design Guide
Version 1.0
Reorder Number 249348-001
January 2001

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Summary of Contents for Intel Pentium 4

  • Page 1: Intel Pentium 4 Processor

    ® ® Intel Pentium 4 Processor in the 423-pin Package Thermal-Mechanical Support Design Guide Version 1.0 Reorder Number 249348-001 January 2001...
  • Page 2 ACCORDINGLY MAKES NO WARRANTIES WITH REGARD TO THIS DOCUMENT. IN PARTICULAR, INTEL (AND ANY CONTRIBUTOR) DOES NOT WARRANT OR REPRESENT THAT THIS DOCUMENT OR ANY PRODUCTS MADE IN CONFORMANCE WITH IT WILL OPERATE IN THE INTENDED MANNER. NOR DOES INTEL (OR ANY CONTRIBUTOR) ASSUME RESPONSIBILITY FOR ANY ERRORS THAT THE DOCUMENT MAY CONTAIN.

  • Page 3: Table Of Contents

    Intel® Pentium® 4 Processor in the 423-pin Package Thermal-Mechanical Support Design Guide Version 1.0 Contents 1. Overview...........................4 Related Documents ......................4 2. Thermal-Mechanical Support Solution..............5 Motherboard Design .....................7 Chassis Design ......................8 Hardware ........................9 3. Conclusion........................9 Figures Figure 1. Direct Chassis-Attach Example..................5 Figure 2.

  • Page 4: Overview

    Version 1.0 1. Overview This design guide outlines a successful thermal- mechanical support solution for the Intel® Pentium® 4 processor in the 423-pin package. The recommended solution is one proposed method to support large- mass heatsinks during shipping and handling of the product. Board...

  • Page 5: Thermal-Mechanical Support Solution

    Intel® Pentium® 4 Processor in the 423-pin Package Thermal-Mechanical Support Design Guide Version 1.0 2. Thermal-Mechanical Support Solution Intel’s reference thermal- mechanical support solution for the Intel® Pentium® 4 processor consists of: ?? Heatsink ?? Heatsink clips ?? Thermal interface material...

  • Page 6: Table 2. Design Summary

    Intel® Pentium® 4 Processor in the 423-pin Package Thermal-Mechanical Support Design Guide Version 1.0 Direct chassis-attach is one method that has been tested for managing large- mass heat sinks during mechanical shock and vibration conditions. There may be some chassis, motherboard, and heatsink combinations in which direct chassis-attach may not eliminate the damage induced by large motherboard deflections.

  • Page 7: Motherboard Design

    (2) retention mechanisms and two (2) heatsink clips with each board. Intel boxed processors will not include these components. ATX chassis will provide four (4) removable standoffs and four (4) screws that will attach the retention mechanisms and motherboard to the chassis.

  • Page 8: Chassis Design

    Intel® Pentium® 4 Processor in the 423-pin Package Thermal-Mechanical Support Design Guide Version 1.0 2.2 Chassis Design The retention mechanism is attached to the chassis via four (4) standoffs, as shown in Figure 3. These standoffs are in addition to the standard ATX mounting holes defined in the ATX Specification, Version 2.03.

  • Page 9: Hardware

    Intel® Pentium® 4 Processor in the 423-pin Package Thermal-Mechanical Support Design Guide Version 1.0 2.3 Hardware The screws should be 6-32 (x 1/2 inch-3/8 inch) pan-head or round-head screws (four each) for the direct chassis-attach solution. The screw head must be less than 0.284 inch diameter and less than 0.190 inch in height.

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