mark@hubcap.clemson.edu (Mark Smotherman) (11/16/90)
From article <1990Nov15.183201.23217@bellcore.bellcore.com>, by mo@messy.bellcore.com (Michael O'Dell): > I've seen this machine referenced many times, but I've never seen > a description of the machine and its operating system. Is there such > a description available?? Plessey System 250 (1972) - capability protection [19,26,27,33,40]. ----- [19] D.C. Cosserat, "A Capability Oriented Multi-Processor System for Real-Time Applications," in Proc. Intl. Conf. Computer Communications, Washington, DC, 1972, pp. 282-289. [26] D.M. England, "Architectural Features of System 250," in Operating Systems: Intl. Computer State of the Art Report, Vol. 14. Maindenhead, England: Infotech, 1972, pp. 395-427. [27] D.M. England, "Operating System of System 250," in Proc. Intl. Switching Symp., Cambridge, MA, June 1972, pp. 525-529. [33] D. Halton, "Hardware of the System 250 for Communication Control," in Proc. Intl. Switching Symp., Cambridge, MA, June 1972, pp. 530-536. [40] H.M. Levy, "The Plessey System 250," chapter 4 of Capability-Based Computer Systems. Bedford, MA: Digital Press, 1984. ----- If someone comes across more references, I'd like to get them, too. -- Mark Smotherman, Comp. Sci. Dept., Clemson University, Clemson, SC 29634 INTERNET: mark@hubcap.clemson.edu UUCP: gatech!hubcap!mark