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

Function of the card:
Solar cell amplifier

Part number: 370864

Customer Eng reference number: 736612

Used in: IBM 1443 Printer

Cap code: None (details)

References: IBM 1443 ALD, p114

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.