Difference between revisions of "SDS 940"

From Computer History Wiki
Jump to: navigation, search
(Bitsavers links.)
 
m (External links: +Butler W. Lampson lecture)
(One intermediate revision by the same user not shown)
Line 1: Line 1:
{{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]].
 +
 
 +
{{semi-stub}}
  
 
==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 documents.]
+
** [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://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
 +
 
 +
[[Category: Xerox Mainframes]]

Revision as of 15:36, 5 May 2022

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