This page describes the IBM SMS card "GK", and is part of the SMS card database.

Function of the card:
Cable De Couple Card
Cable de couple card
Cable Decouple Card

Listed in 1401 SMS card usage

Part number: 371533

Used in: IBM 1410, IBM 1401, IBM 7070

Cap code: None (details)

Symbol: CAP

IBM SMS card type GK 371533 IBM SMS card type GK 371533

References: 1410_SMS_VOL_2.pdf, p88
National Museum of Computing.
2_2 SMS Cards, p112
IBM Standard Modular System, Component Circuits, p123
Coslet data

The information on these pages comes from a variety of sources, especially old IBM documents on bitsavers.org, as well as information from the IBM 1401 restoration team, especially Tim Coslet's SMS data and Jim Hunt's data. Much of this information was obtained through OCR, so don't expect complete accuracy. These pages are not associated with IBM in any way.