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

Part number: 375467

PCB number: 2633171

Cap code: None (details)

IBM SMS card type XAZ 375467 IBM SMS card type XAZ 375467 IBM SMS card type XAZ 375467 IBM SMS card type XAZ 375467

Image courtesy of Dan Howard
Image courtesy of Henk Stegeman

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.