This document contains two parts. Part I is the technical evaluation and part II is the practical evaluation. The technical evaluation is a theoretical study of the architectural and the design considerations of the OS, based on product documentation and experience. In the practical evaluation, various test results will be analyzed and commented. This report broaches various technical issues that are discussed in the document “What makes a good RTOS?”. This document reflects the opinion of Real-time Consult on what is necessary in an OS to become a good RTOS. “What makes a good RTOS?” should therefore be considered an integral part of this evaluation report. and commented. This report broaches various technical issues that are discussed in the document “What makes a good RTOS?”. This document reflects the opinion of Real-time Consult on what is necessary in an OS to become a good RTOS. “What makes a good RTOS?” should therefore be considered an integral part of this evaluation report.