SDS 940: Difference between revisions
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==External links== | ==External links== | ||
* [http://bitsavers.org/pdf/sds/9xx/940/ucbProjectGenie/mcjones/20.10.10.pdf Modifications to the SDS 930 Computer for the Implementation of Time-Sharing] | |||
* [http://www.bitsavers.org/pdf/sds/9xx/940/ SDS 940] - documentation at Bitsavers | * [http://www.bitsavers.org/pdf/sds/9xx/940/ SDS 940] - documentation at Bitsavers | ||
** [http://www.bitsavers.org/pdf/sds/9xx/940/980126A_940_TheoryOfOperation_Mar67.pdf SDS 940 Theory of Operation] - technical manual | ** [http://www.bitsavers.org/pdf/sds/9xx/940/980126A_940_TheoryOfOperation_Mar67.pdf SDS 940 Theory of Operation] - technical manual | ||
Revision as of 14:38, 10 June 2023
The SDS 940 (renamed to XDS 940 after SDS was purchased by Xerox and renamed 'XDS') was effectively an SDS 930 mainframe upgraded with memory management hardware (including virtual memory) to allow it to be used for time-sharing, using a derivative of the Berkeley Timesharing System.
External links
- Modifications to the SDS 930 Computer for the Implementation of Time-Sharing
- SDS 940 - documentation at Bitsavers
- SDS 940 Theory of Operation - technical manual
- SDS 9xx - programs
- SDS 940 - documents from Tymshare
- SDS 940 Lectures - Butler W. Lampson covers, along with much else, the modifications to the 930
