Item ST 39722 Personal Computer System - Digital Corporation, Digital Rainbow, Model PC100-B3, 1983

Summary

Digital "Rainbow" system, comprising Z80A/8088 CPU unit, monochrome monitor, keyboard, dot-matrix printer, software and manuals. Made by Digital Corporation in United States of America, in 1983.

The CPU unit is a Digital "Rainbow" model PC100-B3 in vertical stand. It has 128k of random access memory, and two 5 and a quarter size floppy disc drives, each disc holding 400 Kbytes of memory. The monitor is a monochrome model VR241-a, and the keyboard is a 105 key LK201-AZ. The printer is a model LA210-A3 dot matrix "Letterprinter". The software included comprises CPM 86/80 and MS-DOS 2.11 operating systems, Lotus 1-2-3, Dbase iii, Wordstar v.3.32 and a lockable box of floppy discs. Manuals for the computer and the software are also included.

The DIGITAL Rainbow was produced in the early 1980s and was an alternative hardware to IBM's new MS-DOS PC's system. It was not commercially successful in the long term as the IBM PC dominated the market. It had a Z80 copressor for handling i/o and running 8-bit operating systems. It had three operating systems: MS-DOS, CP/M-86 (16-bit), and CP/M-80 (8-bit), which could be selected by menu at boot time.

Advert in 'The Canberra Times' Sunday 7 August 1983 p.14
Digital Rainbow 100.
So easy to work with.
A powerful business computer to help you make better business decisions doesn't have to be expensive, difficult to use or occupy more space than a desk top. Come in for a demonstration of Digital's Rainbow 100 and you'll see what we mean. This superb computer is a vital aid to running a small business. With it you can handle a vast range of planning, accounting and management operations. It's easy to learn about, costs about the same as an office photocopier and there are no hidden extras. There's even a full 12 months' warranty which includes service calls to your own premises. If you want to know more, phone us or call in for a non-technical talk about your computer needs today.

Physical Description

Beige plastic computer case, small tower with DIGITAL Rainbow desktop unit embedded inside the case; outer casing open in front section to access computer drives; unusual RX50 variable-speed variable-density diskettes. Outside case rebadged. The CPU is a Digital "Rainbow" model PC100-B3 on a vertical stand. It has 128 K of random access memory, and two 5 and a quarter size floppy disc drives, each disc holding 400 Kbytes of memory. Light yellow rectangular monitor: a monochrome model VR241-A Dirty yellow coloured QWERTY computer keyboard, with coiled connecting cablekeyboard; it is a 105 key LK201-AZ. The printer is a model LA210-A3 dot matrix "Letterprinter". Disk Box Software Manual in Box - Lotus, Spreadsheet 123: Cardboard box containing a manuals. Software Manual in Box - Digital, MS DOS, Operating System V 2.11: Cardboard box containg manual. Software Manual in Box - Digital , CPM Operating System V 2.0: Cardboard box containing manual. Software Manuals in Box - Digital, WordStar V3.32 Cardboard box containing eight manuals within one folder. Software Manual in Box - Digital, System Kit & Operating Instructions: Cardboard box containing manual. Software Manual in Box - Digital, dBase III: Cardboard box containing manual.