158-II (NORD-1 card)

From NDWiki
Jump to: navigation, search

158/II Memory 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 C26, C27, C28, C29
35 C26, C27, C28, C29

The logic diagram is documented in drawing 2A58/II.[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.

  • 6 x 7400
  • 1 x 7401
  • 3 x 7402
  • 4 x 7440

Reference

  1. HARDWARE MANUAL NORD 1