Difference between revisions of "SDS 940"
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| − | {{stub}} | + | The '''SDS 940''' (renamed to '''XDS 940''' after [[Scientific Data Systems|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]]. |
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==External links== | ==External links== | ||
| − | * Bitsavers | + | * [http://www.bitsavers.org/pdf/sds/9xx/940/ SDS 940] - documentation at Bitsavers |
| − | ** [http://bitsavers.org/pdf/sds/9xx/940/ SDS 940 | + | ** [http://www.bitsavers.org/pdf/sds/9xx/940/980126A_940_TheoryOfOperation_Mar67.pdf SDS 940 Theory of Operation] - technical manual |
| − | ** [http://www.bitsavers.org/bits/SDS/9xx/ SDS 9xx programs.] | + | ** [http://www.bitsavers.org/bits/SDS/9xx/ SDS 9xx] - programs |
| − | ** [http://www.bitsavers.org/pdf/tymshare/SDS_940/ SDS 940 documents from Tymshare.] | + | * [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] |
| + | * [https://github.com/larsbrinkhoff/bcc-500/blob/master/text/SYSTEM-10%3A%20(DOCUMENTATION)/INTRO-940 940 Introduction] | ||
| + | * [http://www.bitsavers.org/pdf/tymshare/SDS_940/ SDS 940] - documents from Tymshare | ||
| + | ** [http://www.bitsavers.org/pdf/tymshare/SDS_940/102634499_Lampson_SDS940_Lectures.txt SDS 940 Lectures] - Butler W. Lampson covers, along with much else, the modifications to the 930 | ||
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| + | [[Category: Xerox Mainframes]] | ||
| + | [[Category: 24-bit Computers]] | ||
Latest revision as of 09:52, 21 July 2025
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
- SDS 940 - documentation at Bitsavers
- SDS 940 Theory of Operation - technical manual
- SDS 9xx - programs
- Modifications to the SDS 930 Computer for the Implementation of Time-Sharing
- 940 Introduction
- SDS 940 - documents from Tymshare
- SDS 940 Lectures - Butler W. Lampson covers, along with much else, the modifications to the 930
