103 (NORD-1 card)

103 Arithmetic, is a card that is used in the NORD-1 CPU.

Component side.

Solder side.

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Introduction

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

CPU model	Crate position
29	C12, C16, C20, C24
35	C12, C16, C20, C24

The logic diagram is documented in drawing 2A03.

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.

• 4 x 7400
• 4 x 7410
• 1 x 7420
• 2 x 7440
• 8 x 7450
• 3 x 7453
• 3 x 7460

Reference

• Hardware in NORD-1 Serial 47