ENER 1000

The ENER 1000 was a Portuguese computer released in 1982.[1][2][3][4][5] It had 64 KB RAM and two 5+1⁄4-inch double-density floppy disk drives.[6] It ran the CP/M operating system.

ENER 1000
DeveloperUniversidade de Coimbra
TypePersonal computer
Release date1982 (1982)
Discontinued1985
Units sold>500
Operating systemCP/M
CPUMotorola MC6809
Memory64 KB RAM
Removable storageTwo 5+1⁄4-inch double-density floppy disk drives
ConnectivitySerial interface
Dimensions50 x 36 x 15 cm

The machine was developed on Universidade de Coimbra and sold through Enertrónica after 1982.[3][7] More than 500 units were sold.[8] It came with software for stock management, salary processing, and accounting.

In 1983 the machine was awarded the 1st prize for creativity at Endiel (Encontro Nacional para o Desenvolvimento das Indústrias Elétricas e Eletrónicas).[9]

In 1984, a dozen of ENER 1000 were distributed to some secondary schools.[10][11] In 1985 the ENER 1000 project ended.[12]

Characteristics

The machine was based on eurocard cards (10 x 16 cm) connected to the motherboard using up to 8 DIN 41612 connectors. The desktop box measured 50 x 36 x 15 cm and could house up to 8 cards. There were two internal 5+1⁄4-inch double-density floppy disk drives (1.6 Mb capacity).

Minimal configuration

The minimal configuration used only 4 slots:

The computer could function as a multi-station machine, supporting up to 4 users in 7 terminals.

Expansion modules

Some custom built modules were available for expansion:[1]

References
  1. "O Computador Português". Museu Virtual de Informática - Departamento de Sistemas de Informação da Universidade do Minho (in Portuguese). 2015-02-19. Retrieved 2023-02-10.
  2. Zagalo, Nelson (2013). Videojogos em Portugal: História, Tecnologia e Arte (in Portuguese). FCA. p. 16.
  3. I.G.S. (August 12, 2006). "ENER 1000, o computador pessoal português criado na Universidade de Coimbra". Público (in Portuguese).
  4. Naves, Filomena (August 12, 2006). "O computador pessoal nasceu há 25 anos". Diário de Notícias (in Portuguese).
  5. Garcia, Marta. "ENER 1000". The Dots. Retrieved 2022-12-19.
  6. Pacheco Pereira, José (2008). "O ABRUPTO FEITO PELOS SEUS LEITORES: ESTE É QUE É O COMPUTADOR PORTUGUÊS". ABRUPTO (in Portuguese). Retrieved 17 February 2015.
  7. "Guia de Visita: OUTROS COMPUTADORES À ÉPOCA". Museu LOAD ZX Spectrum (in Portuguese). Retrieved 2022-12-19.
  8. Ferreira, Leonídio (August 27, 2018). "João Gabriel Silva: "Universidade de Coimbra é uma das grandes instituições fundadoras do Brasil"". Diário de Notícias (in Portuguese).
  9. "NOTICIÁRIO NACIONAL - Endiel 83". RTP Arquivos (in European Portuguese). January 23, 1983. Retrieved 2022-12-19.
  10. A. Figueiredo. "Engenharia em Portugal no Século XX: Engenharia Informática, Informação, Comunicações" (in Portuguese). Academia.edu. Retrieved 17 February 2015.
  11. "O computador é um importante auxiliar pedagógico" (PDF). Mini Micro's (in Portuguese) (7): 6. February 1985.
  12. Silva, João (2022). "João Gabriel Silva BIO". UNIVERSITY OF COIMBRA. Retrieved 2022-12-19.
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