Vintage PDP-11/83 with Mentec M11 CPU runs live web server on 2.11BSD

2026-09-21 · GoKawiil brief, based on reporting by pdp1173.com · Read the original →

GoKawiil Brief

A hobbyist has restored a PDP-11/83 system built around a Mentec M11 single-board CPU, two interconnected Q22 bus chassis, and a mix of DEC and Emulex peripheral controllers. The machine runs 2.11BSD Unix and is actively serving a live status page showing its own memory, disk, and system metrics in real time. Classic peripherals including magnetic tape drives and serial terminals remain part of the working setup.

Why It Matters

GoKawiil's interpretation of the reporting above, not reported fact.

This project demonstrates that decades-old minicomputer architecture can still perform real modern tasks like serving live web content, bridging vintage computing preservation with practical use. It also highlights the niche but active retrocomputing community that maintains legacy DEC hardware and software like 2.11BSD.

Key Takeaways

The PDP-11/83 uses a Mentec M11 board consolidating CPU and memory functions.
The system actively serves a live webpage displaying its own real-time performance stats.
It combines vintage peripherals like tape drives and terminals with a working 2.11BSD Unix install.

Worth a Look

StarTech USB to RS232 Serial Adapter — If you're inspired to tinker with vintage systems like this PDP-11, you'll need a reliable way to connect a modern laptop to old-school serial terminals and console ports. This adapter is a staple for retrocomputing hobbyists bridging USB machines to DEC-era RS232 hardware. It's a practical, affordable gateway into the world of classic Unix and minicomputer restoration.

See StarTech USB to RS232 Serial Adapter on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.

Source: pdp1173.com, 2026-09-21

Published there as: “A restored PDP-11/83 serving this page on 211BSD Unix”

Read the original report → The summary and analysis above are GoKawiil's own, written from reporting by the source above. Facts and quotes belong to the original publisher.