Portal R2E CCMC was a portable microcomputer designed and marketed by the studies and developments department of the French firm R2E

Micral 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 the first commercially available microprocessor-based computer. In 1986, ...

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

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 ...

was released eight months later, in April 1981. specializing in payroll and accounting. Several hundred examples were sold between 1980 and 1983. Extremely rare, no museum has a Portal; 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, one of the last examples of which was sold for 62,000 euros to

Paul G. Allen Paul Gardner Allen (January 21, 1953 – October 15, 2018) was an American business magnate, computer programmer, researcher, investor, and philanthropist. He co-founded Microsoft Corporation with childhood friend Bill Gates in 1975, which h ...

, the co-founder of Microsoft (with

Bill Gates William Henry Gates III (born October 28, 1955) is an American business magnate and philanthropist. He is a co-founder of Microsoft, along with his late childhood friend Paul Allen. During his career at Microsoft, Gates held the positions ...

), by the auctioneer Rouillac on June 11, 2017, for Allen's Seattle museum, Living Computer 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 compatible with the more-famous Intel 8080 with only two minor instructions added to support its added in ...

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 32-character screen, a floppy disk (capacity - ), a thermal printer (speed - ), an asynchronous channel, a synchronous channel, and a 220-volt power supply. Designed for an operating temperature of to , it weighed and its dimensions were 454515cm. It provided total mobility.

References

{{reflist, 30em

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 engineeri ...

, Portal designer

Sources

This article is partially derived 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