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

Function of the card:
Amplifier, Sense

Part number: 5300007

Used in: IBM 7090

Cap code: None (details)

Symbol: SA

IBM SMS card type SBZ 5300007

References: Drawing courtesy of Living Computers: Museum + Lab
CE Instruction-Reference SMS

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.