What on Earth Is This Thing?

Video Description

☝️ Subscribe for more updates on this amazing machine! This is the Cefucom-21, an English language teaching computer from Japan - and it's *very* weird. So let's see what it's all about! Episode Links: ROM Dumps / Manual Scans: https://ctrl-alt-rees.com/hino-electronics-cefucom-21-information-and-downloads-manual-scans-eprom-dumps-and-more.html Specs: https://www.1000bit.it/scheda.asp?id=1767 HereBeDragons Twitter: https://x.com/hereBeDragons3 HereBeDragons Bluesky: https://bsky.app/profile/herebedragons.bsky.social Short Circuit: http://www.shortcircuit.org.uk Centre For Computing History Cambridge: https://www.computinghistory.org.uk Additional Thanks to Re:Enthused: https://www.youtube.com/ReEnthused Support The Channel: Patreon: https://www.patreon.com/ctrlaltrees Ko-Fi: https://ko-fi.com/ctrlaltrees VIP Superfan Steves & Executive Producers: 🐢 Action Retro: https://www.youtube.com/ActionRetro Alyxx The Rat: https://www.youtube.com/AlyxxTheRat Arthur Ludwiczak BitterBlitter Endzs Has Beard, Plays Games: https://www.youtube.com/blcollier Justin D. Morgan: https://www.youtube.com/c/jdmcs Karl Bate Kevin Leah (AKA Zoinks!) Laurent Mark 'Kurbeco' Simpson MarkCentral Naokia Saito: https://www.youtube.com/@NaokisRC Peter (Melair) Ryan Mercer: https://www.youtube.com/@RyanMercer Simon Green Steve's Tech Shed: https://www.youtube.com/StevesTechShed stween The Byte Attic: https://www.youtube.com/@thebyteattic Tim's Retro Corner: https://www.youtube.com/@TimsRetroCorner Vanessaira: https://www.youtube.com/channel/UCpTtrHwPGoEpSTZW6amhROw Socials: Official ctrl-alt-rees Discord: https://discord.gg/5k922pd8PW BlueSky: https://bsky.app/profile/ctrlaltrees.bsky.social Mastodon: https://oldbytes.space/@ctrlaltrees Instagram: https://www.instagram.com/ctrl.alt.rees Chapters: 00:00 Introducing The Cefucom-21 05:52 Teardown & Hardware Tour 14:43 Test & Final Thoughts