DECSYSTEM-20
Videos
The DECSYSTEM-20 was a family of 36-bit Digital Equipment Corporation PDP-10 mainframe computers running the TOPS-20 operating system and was introduced in 1977.
DECSYSTEM-20 KL-10 (1974) at the Living Computer Museum
DECSYSTEM-2020 front panel
2 DECSYSTEM-2020 KS-10s (1979) at the Living Computer Museum
Introduction and Reference Card for the DECSYSTEM-20 at Columbia University, 1980. The DECSYSTEM-20 was the mainstay of computing at Columbia from 1977 through 1988.
Living Computers: Museum + Labs was a computer and technology museum located in the SoDo neighborhood of Seattle, Washington. LCM+L showcased vintage computers which provided interactive sessions, eit
DECSYSTEM-20
…World users. A model 2060, for example, could typically host up to 40 to 60 simultaneous users before exhibiting noticeably delayed response time. The Living Computer Museum of Seattle, Washington, maintained a 2065 running TOPS-10, which was available to interested parties via SSH upon registration (at no cost) at their…
Exterior of the museum
Harry Garland and Paul Allen at an event honoring computer pioneers at the museum in April 2013
A roughly 180° panorama of the "conditioned" room at the Living Computer Museum containing mainframes and large minicomputers