I found EK-KDJ1A-UG-001 "KDJ11-A CPU Module User's Guide," which might help, because unless my memory fails me, the KDJ = 11/73. I didn't immediately find power-up codes in it -- probably because something like MXV11-B2 or other ROM set issues the codes. If I can find an MXV11 doc, I'll post a message. I used to have one. Contact me if you want the KDJ11 manual. runtime(a)wzrd.com DM