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A leading Australian automotive manufacturing company has introduced an internet-enabled electronic data interchange (EDI) system recently that links the company with its small suppliers. In this paper, we use a scientific case study approach to examine the internet-enabled EDI implementation experience of the automotive company, and explain its implementation process by referring to a theoretical model known as the IOS Motivation Model (IMM) which we have developed based on the notion of ‗organizational motivation‘ for IOS adoption [16]. The case study findings highlight the key role of organisational motivation as a determinant of IOS implementation process undertaken by the company. This finding is useful to e-business practitioners because it provides them with a means of assessing IOS implementation related activities, and for researchers, because it provides a theoretical framework for understanding the role of motivation in the activities conducted when implementing a system.