From: Robert McGovern Date: 2003-01-08T18:10:18+09:00 Subject: Re: Windows Serial Port > The program hangs right here waiting for a read to happen. I know that > the write is successful because the SD light on my modem blinks. I have > to kill the cygwin window that ruby is running in in order to kill the program. Hey, if you are using Cygwin & Cygwin compiled ruby try using the serial port package that Armin mentioned: http://www.ruby-lang.org/raa/list.rhtml?name=ruby-serialport I've used it at work a few times now and it works like a charm Rob