military processor board - sold as a collectors item only. Status: BNOS ( Brand New Old Stock - as good as it gets) - just unwrapped from antistatic bag for the photo. From military source. We think originally made by GE Aviation board marked: EED193-20 ser: CM276 and 277 (2 available) nice selection of collectable chips all but one ceramic, lots of gold ! ideal for display, modern art, steampunk, size : 44 x 150 x 16mm approx main chips : CDP1802bcdx, MT71009D, CDP1823CDX