Technologies
	Welcome to the new FormFactors.org Technologies section. In this area, we highlight General technologies that are important to the design of PC systems.
	EMI U-Seams v1.0 Revision 1.0 - [395 KB] The purpose of this document is to provide an overview of the Electromagnetic Compatibility (EMC) design and implementation of U-seams for use in chassis enclosures. Acoustics Overview v1.0 Revision 1.0 - [713 KB] As the performance of PC's increase and move from under the desk to other environments, acoustics are quickly becoming a critical part of system design. This document provides background on the science of acoustics, the key areas of the system for concentration, as well as an example design process. microATX Electrical Design Suggestions v1.1 Revision 1.1 - [143 KB] Key changes for the microATX Electrical Design Suggestions Version 1.1 include Main Power Connector changed from 20 pin to 24 pin ( 2 x12) to support PCI-Express* requirements. In addition the –5V pin has been changed to a no connect (NC). EMI Waveguide Apertures v1.0 Revision 1.0 - [707 KB] The purpose of this document is to provide an overview of the design and implementation of design guidelines and recommendations for lectromagnetic Compatibility (EMC) waveguide apertures for use in chassis enclosures.