(January 3, 2018 at 4:47 pm)polymath257 Wrote: Wow. I looked at the title and was expecting a question about a very old form of computer storage.
Never mind.
This.
I have not-so-fond memories about repairing 4 kilobyte ferrite core memory boards. Yes, 4 kilobytes, on a board approximately 19 inches square - still in use in the late 1980s to early 1990s.