PDP‑11 UNIBUS & LSI‑11 Bus Handbook PDF  Vintage DEC Technical Manual Download

Own a Piece of Computing History

Digitally remastered from the original 1979 Digital Equipment Corporation (DEC) print, this 176‑page “PDP‑11 Bus Handbook” delivers every pin, timing diagram and design rule that powered the legendary PDP‑11 family.

Inside the PDF

• UNIBUS specification – 56‑line architecture, priority arbitration, timing & pinouts.
• LSI‑11 bus – compact 38‑line protocol, DMA and interrupt handling.
• MASSBUS & DECdataway appendices for high‑speed peripherals and multiprocessor links.
• Electrical characteristics, backplane layouts, cable guidelines, termination rules.
• Historical preface, engineering notes and reference tables.

Who Is It For?

• Retro‑computing enthusiasts restoring PDP‑11 or early VAX hardware.
• Hardware engineers building custom UNIBUS/LSI‑11 interfaces.
• Historians, educators, collectors of vintage DEC documentation.

Delivery & Format

✔️ Instant digital download (searchable PDF)
❌ No physical item will be shipped

Re‑live the glory days of DEC engineering—download your copy now and keep classic computing alive!