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

Function of the card:
Plus P Line Indicator

Part number: 371364

Used in: IBM 7090

Cap code: None (details)

Symbol: DI

DI: Driver, Indicator. Driver operating into an indicating device.

References: IBM Standard Modular System, Component Circuits, p99

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.