ScuzzBlog: Diaries November 2019 Entry 9th November 2019: Post 01: Sirius 1 - DR CP/M-86. Sirius 1 - DR CP/M-86. CP/M-86 is a version of CP/M created by Digital Research. It was specifically made for the Intel 8086 and 8088. The OS benefited from a multi-user multitasking OS which was fully compatible with CP/M-86 called MP/M-86. This later evolved into the latter CP/M-86 operating system. MP/M originally designed by Tom Rolander of Digital Research in 1979 was a Multi-Programming Monitor Control System which allowed multiple users to connect to a single computer. The MP/M-86 version was the ported version for the Intel 8086 and was released in September 1981. The Sirius S1 or Victor 9000 was the brainchild of Chuck Peddle who you may recall was responsible for the Commodore PET. In addition to supporting CP/M-86 it also could run MS-DOS, BASIC 86, C-BASIC, Cobol, Pascal and Fortran to name a few. The unit is slightly bigger than the CBM Model 8050 double floppy drive. Whilst I never used the computer myself the practice did have a unit and at least let me have the user manual and disks. What happened to the computer I know not. Anyhoo.. I wanted to show some of the command structure of the CP/M-86 system along with some of the various disks. I guess I would have loved to get my hands on one of these if only to support my interest in the CP/M operating system. Sirius -1: Victor 9000/Sirius 1 was made by Sirius Computer in the USA 1982 It has an Intel 8088 processor with 128kb base memory. The disk drives are twin 5.25" at 612kb each. The computer could have a HD fitted, though at $4500 that was expensive. Sirius 1 - DR CP/M-86.

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Last updated 9th November 2019

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