Portal R2E CCMC was a portable microcomputer designed and marketed by the ''Réalisation et Études électroniques'' department of the French firm ''R2E

Micral Micral is a series of microcomputers produced by the French company Réalisation d'Études Électroniques (:fr:R2E, R2E), beginning with the Micral N in early 1973. The Micral N was one of the first commercially available microprocessor-based compu ...

,'' and officially appeared in September 1980 at the ''Sicob'' show in Paris.

Osborne 1 The Osborne 1 is the first commercially successful portable computer, released on April 3, 1981 by Osborne Computer Corporation. It weighs , cost US$1,795, and runs the CP/M 2.2 operating system. It is powered from a wall socket, as it has no ...

, the first commercially successful portable computer, was only released eight months later, on 3 April 1981. The machine was designed with a focus on payroll and accounting. Several hundred Portal computers were sold between 1980 and 1983. Extremely rare, no museum has a Portal, and only two are in private collections. The company ''R2E Micral'' is also known to have designed "the earliest commercial, non-kit computer based on a microprocessor", the

Micral N Micral is a series of microcomputers produced by the French company Réalisation d'Études Électroniques ( R2E), beginning with the Micral N in early 1973. The Micral N was one of the first commercially available microprocessor-based computers. I ...

. One of these machines was sold for 62,000 euros to Paul G. Allen, the co-founder of Microsoft (with

Bill Gates William Henry Gates III (born October 28, 1955) is an American businessman and philanthropist. A pioneer of the microcomputer revolution of the 1970s and 1980s, he co-founded the software company Microsoft in 1975 with his childhood friend ...

), by the auctioneer Rouillac on June 11, 2017, for Allen's Seattle museum, Living Computers: Museum + Labs.

Specifications

The Portal was based on an

Intel 8085 The Intel 8085 ("''eighty-eighty-five''") is an 8-bit microprocessor produced by Intel and introduced in March 1976. It is software-binary-code compatibility, binary compatible with the more-famous Intel 8080. It is the last 8-bit microprocesso ...

processor, 8-bit, clocked at . It was equipped with of main RAM, a keyboard with 58 alphanumeric keys and 11 numeric keys (in separate blocks), a LED 32-character one-line screen, a

floppy disk A floppy disk or floppy diskette (casually referred to as a floppy, a diskette, or a disk) is a type of disk storage composed of a thin and flexible disk of a magnetic storage medium in a square or nearly square plastic enclosure lined with a ...

(capacity - ), a

thermal printer Thermal printing (or direct thermal printing) is a digital printing process which produces a printed image by passing paper with a thermochromic coating, commonly known as thermal paper, over a print head consisting of tiny electrically hea ...

(speed - ), an asynchronous channel, a synchronous channel, and a 220-volt power supply.'''' It came with two operating systems:

Prologue A prologue or prolog (from Ancient Greek πρόλογος ''prólogos'', from πρό ''pró'', "before" and λόγος ''lógos'', "speech") is an opening to a story that establishes the context and gives background details, often some earlier st ...

and Basic Assembly Language (BAL). Designed for an operating temperature of to , it weighed and its dimensions were 454515cm.

References

{{Reflist

Bibliography

François Gernelle François Gernelle (born December 20, 1944) is a French engineer, computer scientist and entrepreneur famous for inventing the first micro-computer using a micro-processor, the Micral N. Education In the late 1960s, Gernelle earned an engine ...

, Portal designer

Sources

This article is derived partly from the page o
old-computers.com
an

Portable computers Products introduced in 1980 Computer-related introductions in 1980 French inventions History of computing in France Information technology in France 1980 establishments in France 1983 disestablishments in France

Specifications

See also

References

Bibliography

Sources