Thanks to the list...

Advice to a new IMSAI owner: 1) if you take the front panel off, tape the plastic sandwich with the film for the front panel logo so it doesn't come apart. Also, tape the allen head screws on so they don't come out. This is real handy when the time comes to reassemble. You will discover you need 4 hands to do it: one to hold panel, one to position screws, one to hold spacers in back, one to tighten screws. 2) DISCONNECT THE FRONT PANEL AC SWITCH!!! Put an on/off power switch in the back, use a hole next to the fan (most back plates had one. Don't run the AC power through the front panel. 3) If its been heavily used, chances are the bus connectors may be worn. Wiggle cards a bit when STOPed and see if status lights change. You might have to hunt for the least worn slots. 4) Look for purple plague. If it's old, the socketed IC pins or card edge connectors may have oxidation (usually purple or black discoloration). You may need to check the front panel for this if it's socketed. 5) Check the +8, +/-16, and GND pins on the bus connectors before powering up, make sure nothing's shorted. Jack Peacock Using IMSAIs since 1975