• |

    Past Events

    This BLOG entry features summaries of past events where ICM has participated as an exhibitor. For archives of Interim Computer Festival please visit https://sdf.org/icf Northwest Pinball and Arcade Show 2026 – June 5th – June 7th, GTCC, Tacoma, WA We were honored to be invited to have a booth at the Northwest Pinball and Arcade…

  • |

    Miss Piggy – a PDP-11/70

    Miss Piggy: A Legendary PDP-11/70 at Microsoft Miss Piggy was one of Microsoft’s central computing workhorses in the early 1980s, particularly supporting the End User Applications group responsible for developing key software such as Multiplan, Microsoft Word, and later Excel. It also hosted development tools including the p-code compiler and cross assemblers targeting platforms like the TRS-80. The system ran Xenix, Microsoft’s UNIX variant, which was…

  • PiDP-11/70 Build Workshop

    We’re hosting our first PiDP-11 Build Workshop for a limited number of people. The workshop is geared for beginners with some experience and intermediate kit builders who would like to participate in a guided and explained assembly process. You’ll get guidance on soldering practices, assembly techniques, troubleshooting and what you’ll be able to do with…

  • | |

    Boeing’s PDP-7a

    Boeing News – November 14, 1968 In November 1968, Boeing engineers demonstrated to Brigadier General Mahlon E. Gates, Commanding General of the Army’s Sentinel Logistics Command, a hybrid computing system built around a DEC PDP-7A and a Type 340 graphics display. The PDP-7A functioned as an interactive front-end processor, handling light-pen input and real-time display…

  • Current Exhibits

    This post documents most of the current exhibits as well as preserves what has been on display and highlights what is new. It is organized as top being the current exhibition organized in groups by area. All exhibits are considered permanent unless noted as a rotating exhibit. Remotely accessible machines are noted as OnLINE. August…

  • |

    MIT-MC.ARPA

    MIT-MC.ARPA was a DECSYSTEM-10 KL10 Model 1080 operated by the MIT MACSYMA Consortium, serving as one of the most significant systems in the development of AI and symbolic computation during the 1970s and early 1980s. Running the Incompatible Timesharing System (ITS), MC provided a uniquely open and collaborative computing environment where many pioneering software systems…