I can tell you without any doubt that the 03 solution described by "Captain Video" in the "03info.arc" download file will work. The key (no pun intended) is to be able to reliably extract seed keys from 03's. Once this process is available, one need only to replace U7 with a TMS 7742 with the old (018) ROM code plus a little patch that jams 03 keys from 7742 ROM to 7742 RAM, checksums them, then branches to start up vector in old U7 (018) code. All of the U30 software that we've come to know and love will then work in your 03 boards! I am confident that this will work because I've used this technique many times before. Obviously, a more elegant (U30-only) solution would be nice, but, it may be a while longer before we see that. We also desperately need someone to make an emulator board for the 4* U24 device. The original 4* device will pass all service Ids (used so far) and would be the ultimate U24 replacement device. Surely one of you hardware gurus (of which I am not) will come up with this sooner or later. Also, I agree completely with the "Captain" that if all the 018/019 boards out there today were cloned to their own IDs, instead of someone elses, there would be far fewer problems, since, everyone would be the custodian of their own ID, there would be no massive shutdowns, and, the programmers would be getting more revenue and it would be very difficult to ascertain how many boxes are legit. In closing, I also agree with the Captain that VTN publishes primarily bullshit and double talk (this guy obviously does not know what the hell he is talking about) and cannot even spell (for Christ sake, buy a spell checker with your word processor!) and, TESTRON is **FULL OF SHIT**. Scramble Fax is nothing more than propaganda and advertisement for TESTRON ("all devices in the field are now down except PROTEC" - who are they kidding!). A Captain Video fan.   Downloaded From P-80 International Information Systems 304-744-2253