This page describes the IBM SMS card "374989", and is part of the SMS card database.

Function of the card:
Tstr

Power Supply

Part number: 374989

Used in: IBM System/360

Cap code: None (details)

IBM SMS card type 374989 374989 IBM SMS card type 374989 374989

Image courtesy of Chris Bigos

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.