Terry Stewart (tezza) talks about vintage/classic computers in his collection: The Atari 400. A further description can be seen here: https://www.classic-computers.org.nz/collection/atari-400.htm. This video replaces an earlier copy which had very poor audio. See the View Numbers and Comments before the refresh at https://www.classic-computers.org.nz/youtube-comments-archive/The-Atari-400_Comments-prior-to-29th-October-2023.html