May 13, 2026
Big box, tiny memory, huge feelings
Comparing a 1980s memory map to the Raspi Pico
Back when a giant box ran on less memory than a tiny $4 board — and commenters are losing it
TLDR: A developer compared a late-1980s business machine to today’s tiny Raspberry Pi Pico and found they used surprisingly similar amounts of memory. Commenters turned that into a drama fest over whether old systems were brilliantly efficient or just glorified slow-motion boxes with incredible patience.
A retro computing post about a 1989 machine memory sketch somehow turned into a full-blown comment-section food fight over whether old engineers were geniuses, hoarders, or both. The article itself is simple enough: a developer looked back at notes from an old communication system and realized that a huge business machine from the late 1980s used memory in roughly the same ballpark as today’s tiny Raspberry Pi Pico, a microcomputer board small enough to fit in your hand. Cue the internet collectively screaming, “Wait, that fridge-sized box had less working memory than my desk toy?”
The loudest reactions split into two camps. One side was pure admiration, basically calling it a masterclass in building reliable systems with almost nothing. These commenters loved the clean, easy-to-read layout and the fact that the designer happily left some space unused because, with communications crawling at 50 bits per second on old TELEX lines, the machine would almost never fill up anyway. The other side was less romantic, joking that this was the original version of “buy extra storage and never use it,” except with a metal box sturdy enough for an adult to sit on.
And yes, the jokes flew. People compared the old setup to a tank powered by snail mail, while others said modern coders would burn that same memory budget just opening a settings menu. The funniest running gag was that the real miracle wasn’t the hardware — it was human patience. In comment-land, the article became less about memory maps and more about a timeless internet argument: were the old days elegantly efficient, or just painfully slow and weird?
Key Points
- •The article analyzes a 1989 memory map from a Motorola 68000-based communication system built with general-purpose VME bus boards.
- •Local RAM totaled 192KB and contained the VMEBUG monitor, the CHARM-II operating system, and application code.
- •Global RAM totaled 512KB, with 320KB allocated to a Message Area and memory organized in 64KB units with unused gaps left for simplicity.
- •The system’s use of TELEX at 50 bps meant that even a 320KB message buffer would take about 20 hours to fill, so communication speed was the main bottleneck.
- •The article compares the old system with the Raspberry Pi Pico and Pico 2, arguing that a similar communication system could likely be implemented today on Pico hardware.