DEC 36-bit computers

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DEC 36-bit Computers

Note that there is not a PDP-20. The DECSYSTEM-20 is based on the PDP-10, using either KL10 or KS10 processors.

DEC cancelled development of a higher-performance KC10 "Jupiter" CPU. Reportedly DEC built prototypes of "Minnow", a desktop PDP-10.

Operating Systems

DEC Documents

DEC has made available a Personal License for PDP-10 software. The DEC documentation on this site are available for download only under the terms of this license. More documentation is available from the Bitsavers archive and from

Third-Party Documents


Several PDP-10 Simulators are available.


Other Online Resources

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Last updated June 20, 2005

Copyright 1998, 2000, 2001, 2002, 2004, 2005 Eric Smith

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