Soviet Era Computers  PMD 85
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PDM-85/3

The PMD 85 is designed in Slowakia in 1985 by a company called Tesla (no affiliation with Elon Musk). The machine boots up into it's monitor program if no ROM cartridge is inserted, this enables the user to load a program from tape. BASIC and Pascal were available for this computer. The PMD 85 was the successor of the PMD 83, and the PMD 81. Clones exist of the PMD, it was cloned by a company Didaktik (Didaktik Alfa and Beta).

Other versions of the PMD:

  • PMD 85-1 - Telephone style keys, overpriced, overheated quickly
  • PMD 85-2 - Better keyboard, did not overheat as much
  • PMD 85-2A - Same as the 85-2, but with 64K RAM
  • PMD 85-3 - This machine, 48-64K RAM, no overheating

The PMD 85-3 was a machine designed for automation control and had many I/O interfaces:

  • Serial Port
  • Tape Control
  • 2x parallel port
  • System Bus
  • ROM expansion port
  • IMS-2 communication port (IEE488 compatible)

Technical Details
Released 1985 Brand Tesla Type Soviet Era Computers Name PMD 85 CPU Class 8080 CPU Intel 8080 @2MHz Memory RAM: 48kB
RAM max: 64kB
Sound Chip none Sound Beeper Display Chip none Display 48x25 text, 288x256 graphics Best Text 28x25 Best Color none Best Graphics 288x256 Sprites n/a System OS Monitor
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Soviet Era Computers
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PMD  85 (1985)
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