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

Function of the card:
Dtdl-and gate
DTDL-And Gate

Listed in 1401 SMS card usage

Part number: 371924

PCB number: 493217

Used in: IBM 1401, IBM 1410


IBM SMS card type DAB 371924 IBM SMS card type DAB 371924

References: 1410_SMS_VOL_2.pdf, p114
Coslet data
2_2 SMS Cards, pp7,8
This page created by Ken Shirriff on Wed Sep 15 18:15:11 2021.

The information on these pages comes from a variety of sources, especially old IBM documents on, 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.