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  • Topic: Power Macintosh, Power Mac G4, Apple Inc.
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  • Published : December 13, 2012
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Design for Environment: A Case Study of the Power Mac G4 Desktop Computer

Apple Environmental Technologies and Strategies 1 Infinite Loop Cupertino, CA 95014-2084 March 2000

© 2000 Apple Computer, Inc. Apple, the Apple logo, Power Mac, and PowerMacintosh are registered trademarks of Apple Computer, Inc.

Apple – Design for Environment: A Case Study of the Power Mac G4 Desktop Computer

Table of Contents
Table of Contents Section One • Executive Summary Section Two • Introduction Section Three • Methodology Section Four • Product Overview Section Five • Summary of Environmental Performance Section Six • Energy Conservation Section Seven • Materials Reduction Section Eight • Hazardous Constituents Section Nine • Design for Robustness Section Ten • Ease of Test, Service, Repair and Upgradability Section Eleven • Ease of Disassembly and Recycling Appendix A • Computers and the Environment Appendix B • Energy Requirement Assumptions Appendix C • Glossary and References 2 3 5 6 7 8 10 13 14 15 16 17 18 21 22

March 2000

Table of Contents / Page 2 of 22

Apple – Design for Environment: A Case Study of the Power Mac G4 Desktop Computer

Section One • Executive Summary

With the increasing importance of environmental attributes in electronic products, Apple has incorporated environmental performance as a customer, market-driven issue. Environmental aspects are considered as an integral part of a product’s attributes during its design and development. To document continuous environmental improvements made by Apple, this case study of the Power Mac G4 desktop computer was undertaken (in conjunction with Environmental and Occupational Risk Management) to quantify the extent to which specific product features contribute toward environmental performance improvements. Information on the product was collected via interviews with key members of the design team with additional data provided by the Apple Environmental Technologies and Strategies Group. This study was not intended to be a scientific life-cycle assessment of the product, but a review of the key product attributes that the design teams could influence. The key environmental performance attributes considered in the study were: • Energy conservation • Materials reduction • Hazardous constituents • Design for robustness • Ease of service, repair and upgradability • Ease of disassembly and recycling • Ease of assembly • Product economics

March 2000

Section One • Executive Summary / Page 3 of 22

Apple – Design for Environment: A Case Study of the Power Mac G4 Desktop Computer

The key environmental performance improvements based on these attributes and the associated design features are shown in Table 1 below. Comparisons are based on the previous Apple products or relevant industry standards.

Table 1. Summary of Environmental Improvements and Design Features Attribute Energy conservation Materials conservation Environmental Improvements Relevant Design Features • Sleep mode of less than 5 watts is 17% • Aggressive power management was of the ENERGY STAR® 30 watt essential for platform integration and requirement. silent sleep mode. • 50% fewer components are on the Universal Motherboard Architecture. • Yields in initial printed circuit board manufacture were 95-97%. • Components were eliminated from the Universal Motherboard Architecture by integrating their functions into microprocessors. • Increasing yields reduced both costs and waste. • Inner metal chassis provides flame enclosure, eliminating the need for flame retardants. • A Universal Motherboard Architecture reduced cost and development time across product groups. • Swing-open door was considered a key product feature for user customization. • Reduction in number of fasteners assisted both assembly and disassembly.

Hazardous constituents Design robustness Ease of service, repair and upgradability Ease of disassembly and recycling

• Halogenated flame retardants are not required in...
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