I have rom 1.7 too... do you have the demo of soft PC? You can get version 2.15 which will run for 15 minutes. It can use your serial ports. 15 min is longer than you'll ever need! >If anyone knows how, let me know. I have ROM 1.7. > >Richard Piotter >richfile@prairie.lakes.com > >The Richfiles TI Hardware and BASIC web page: >http://www.geocities.com/SiliconValley/Lakes/5081/Richfiles.html