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

Function of the card:
DDTL-SL3, Low Power Inverters
Sl3, low power inverters

Part number: 370892

PCB number: 747229

Used in: 7040, IBM 1410

Cap code: None (details)

IBM SMS card type DMR 370892 IBM SMS card type DMR 370892

Image courtesy of Arthur Dauzat

References: National Museum of Computing.
1410_SMS_VOL_2.pdf, p41

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.