@icm I was involved in the second shrink of NE43-250, the room where the CM-5 was. By the time I started, LCS no longer had any equipment in the old 9th floor machine room (see the document "How to turn off the 9th floor") which was mostly empty raised floor except for the southwest corner where the AI Sun-4 servers and the CM-2 were. In the late 1990s the old air conditioners and most of the raised floor were gutted to make a new AI Lab headquarters suite.