Hasn't every IMSAI owner experienced 120VAC when they touched the traces running to the front panel power switch[*] and got a nasty jolt? :-). I've done it many times, and I'm sure I'll do it again! [*] Yes, I know it's not necessarily a power switch, but it is on all of mine (never had write-protectable RAM). -- Tim Shoppa Email: shoppa(a)trailing-edge.com Trailing Edge Technology Voice: 301-767-5917 7328 Bradley Blvd Fax: 301-767-5927 Bethesda, MD, USA 20817