101 (NORD-1 card)

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101 Bus memory, 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 C13, C17, C21, C25
35 C13, C17, C21, C25

The logic diagram is documented in drawing 2A03.[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.

  • 3 x 7400
  • 4 x 7451
  • 12 x 7454
  • 8 x 7474

Reference

  1. HARDWARE MANUAL NORD 1