140 (NORD-1 card)

140 Lamp register, is a card that is used in the NORD-1 CPU.

Component side.

Solder side.

This article is a stub. You can improve NDWiki by expanding it.

Introduction

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

CPU model	Crate position
29	C07, C08
35	C07, C08

The logic diagram is documented in drawing 2A40.

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
• 1 x 7440
• 8 x 7454
• 4 x 7474

Reference

• Hardware in NORD-1 Serial 47