120-II (NORD-1 card)

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120/II I/O control, is a card that is used in the NORD-1 CPU.

Component side.
Solder side.

Introduction

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

CPU model Crate position
29 D19
35 D19

The logic diagram is documented in drawing 2A20.[1]

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.

  • 11 x 7400
  • 3 x 7402
  • 1 x 7420
  • 1 x 7430
  • 1 x 7440
  • 3 x 7453
  • 1 x 7474

Reference

  1. ↑ HARDWARE MANUAL NORD 1
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