---
keywords: ["ADSS-15", "PDP-15", 1970s, 1970]
image: ./adss-15.webp
description: "! ADSS-15 was an operating system for the DEC PDP-15 computer. We can run it in the SIMH PDP-15 emulator."
sidebar_position: 3
---

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# ! ADSS-15

![! ADSS-15](./adss-15.webp)

! ADSS-15 (PDP-**15** **Ad**vanced **S**oftware **S**ystem) was an operating system for the DEC PDP-15 computer. We can run it in the SIMH PDP-15 emulator.

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## Manuals

You can download the ! ADSS-15 manual from here:

- [! ADSS-15 Programmer's Reference Manual](http://www.bitsavers.org/pdf/dec/pdp15/DEC-15-MR2B-D_AdvMonPgmRef.pdf)

You may also be interested in the PDP-15 manuals. It was the computer on which ! ADSS-15 was supposed to run. You can download them from Bitsavers:

- [PDP-15 Manuals](http://www.bitsavers.org/pdf/dec/pdp15/)

## Related Pages

- [VirtualHub Screenshots](https://screenshots.virtualhub.eu.org/1970s/1970/adss-15/)
- [Wikipedia PDP-15 page](https://en.wikipedia.org/wiki/PDP-15)
- [Computer History Wiki PDP-15 page](http://gunkies.org/wiki/PDP-15)

## Credits

- The manuals were taken from [Bitsavers](http://bitsavers.org).