Hi, Can anyone tell me where can I find a 16C74 window version chip. I have learn from Farnell(UK) tell me that the window version is now obsolete. Is it true ? Thank you very much CH TAN Cheng Huat TAN Department of Electronics and Computer Science University of Southampton Southampton UK SO 17 1BJ cht195@ecs.soton.ac.uk http://whirligig.ecs.soton.ac.uk/~cht195/