Hello, I am new to GPC but I have experience with Delphi. There I use Turbopower´s Async library to do serial communications. Can I use that library with GPC?. Can you show me a simple program that demonstrates serial communications? or where do I get it? Thank you in advance. Miguel Pérez E Development Engineer Primestone E-Mail: miguel.perez@primestone.com Tel: (571) 6265432 Fax: (571) 6156377