Folks- James Lockwood cued me in on the proper way to RAM an LX, and that seems to have cured the "tsunami module" error. The bitter part is that Sun prints on the system board "INSTALL SIMM #1 FIRST" right next to the correct slots, and I just didn't see it. Now to write to Boris Peters and do my best Emily Litrella imitation ... "Never Mind!" -Shel