183-II (NORD-1 card)

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183/II Data channel counters also called Cartridge disc d.c. counter in card lists, is a card that is used in the NORD-1 computer in the I/O crate.

Component side.
Solder side.

Introduction

The card is made in the standard NORD-1 card format.

This card was found in the NORD-1 Serial 47 computer at crate position F19 and is the only card with a crystal oscillator.

No drawings available at the moment.

Switches and indicators

There are no switches or indicators on this board.

BOM

This list contains the logic circuits used, passive components are not listed.

  • 6 x 7400
  • 2 x 7404
  • 5 x 7437
  • 8 x 7450
  • 1 x 7474
  • 8 x 74191

Reference

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