127 (NORD-1 card)

127 Control flip-flops, 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	D04
35	D04

The logic diagram is documented in drawing 2A27.

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.

• 5 x 7400
• 5 x 7402
• 2 x 7410
• 6 x 7450
• 3 x 7454
• 1 x 7472
• 3 x 7474

Reference

• Hardware in NORD-1 Serial 47