179 (NORD-1 card)

From NDWiki
Jump to navigation Jump to search

179 Punch buffer, 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 D28 (can also be a 145 in this position)
35 D28

The logic diagram is documented in drawing 2A79.[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.

  • 1 x 7400
  • 2 x 7402
  • 1 x 7404
  • 2 x 7410
  • 1 x 7413
  • 1 x 7437
  • 2 x 7475
  • 1 x 74121

Reference

  1. HARDWARE MANUAL NORD 1