IBM System/23

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System/23 Datamaster
IBM logo.svg
Manufacturer IBM
Release date July 1981; 43 years ago (1981-07)
Introductory price US$ $9,000 ($23,426 in today's dollars)
Predecessor IBM 5120
Successor IBM Personal Computer

The System/23 Datamaster (Model 5322) was announced by IBM in July 1981, only one month before the IBM PC. The Datamaster was an all-in-one computer with text-mode CRT display, keyboard, processor, memory, and two 8-inch floppy disk drives all contained in one cabinet. The processor was an 8-bit Intel 8085, with bank switching logic to manage 256 kB of memory.

A BASIC interpreter was built-in. A second keyboard and screen could be attached in an extended configuration. The intention of the Datamaster was to provide a computer that could be installed and operated without specialists.[1] When introduced, a single-screen Datamaster sold for around US$ $9,000 ($23,426 in today's dollars). The familiarity of the design group gained on the Datamaster project encouraged selection of an Intel CPU for the IBM PC.

References

  1. David J. Bradley "The Creation of the IBM PC", BYTE, ISSN 0360-5280/09, Volume 15, Number 9, September 1990 pp. 414-420

External links

Preceded by IBM Personal Computers Succeeded by
IBM Personal Computer


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