Girish Mahajan (Editor)

ENER 1000

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Type
  
Personal computer

Memory
  
16 KB RAM

Operating system
  
CP/M

Dimensions
  
50 x 36 x 15 cm

Release date
  
1982; 35 years ago (1982)

Storage
  
two 5" 1/4 double density floppy disk drives

The ENER 1000 was a Portuguese computer released in 1982. It had 16Kb RAM and two 5" 1/4 double density floppy disk drives. It ran the CP/M operating system.

Contents

The machine was developed on Universidade de Coimbra and sold through Enertrónica after 1982. Only a few dozen units were sold. It came with software for stock management, salary processing, and accounting. In 1984 a dozen of ENER 1000 were distributed to some secondary schools.

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 double density floppy disk drives (1.6Mb capacity).

Minimal Configuration

The minimal configuration used only 4 slots:

  • CPU card with 2K EPROM
  • 64/128 KB DRAM card
  • double serial interface card
  • floppy disc controller card

    • 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:

  • FPU
  • 6809 CPU with 4K EPROM, 2K RAM e timer;
  • 16K static RAM/ROM;
  • alphanumeric and graphic unit for spectral plots;
  • light pen;
  • fast ADC for Nuclear Physics applications;
  • four 8bit DACs;
  • local network node;
  • Winchester 5" 1/4 controller;
  • CRT and keyboard controller;
  • 8088 CPU;
  • synchronous serial ports (HDLC and SDLC);
  • 12 bit A/D and D/A converters;
  • DMA controller

    • References

    ENER 1000 Wikipedia
    (Text) CC BY-SA


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