309 (NORD-1 card)

309 Cartridge disc transmit, is a card that is used in the NORD-1 computer in the I/O crate.

Component side.

Solder side.

Introduction

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

This card was found in the NORD-1 Serial 47 computer at crate position F18 and is the only card with a crystal oscillator.

No drawings available at the moment.

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.

• 2 x 7402
• 3 x 7404
• 1 x 7442
• 1 x 74163
• 11 x 75450
• 1 x K1091A 10.000 MHz crystal oscillator

Reference

• Hardware in NORD-1 Serial 47