Douglas Taylor <dj.taylor4 at comcast.net> wrote: Yes, it is identical. I was the original beta tester on the SCDC and used it extensively. In fact, the designers called it "the Frisbie port". :-) You may need a null modem. Try swapping pins 2 and 3. I can send you an genuine Andromeda DB25 adapter if you give me a mailing address and promise to send me $10. :-) They changed between the original Rev. A and final Rev. F boards. Which one do you have? I can send you a copy of the manual, complete with all my editorial comments written on it. Alan "Packrat" Frisbie