If you are considering migrating your applications or drivers to version 5.0 and you are not familiar with the ChorusOS operating system, you should first read:
ChorusOS 5.0 Features and Architecture Overview. This book provides a general overview of the architecture of the ChorusOS operating system.
ChorusOS 5.0 Installation Guide. This book guides the user through the initial installation on a host, and describes how to build and boot a standard system image on a target board.