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

Function of the card:
General Delay Circuit
Listed in 1401 doc, but not present in CHM 1401 (details)

Part number:370703

Customer Eng reference number:734348

Used in:IBM 2821 Control Unit,IBM 1401

References:
IBM 2821 CCD, p21.
This page created by Ken Shirriff, 2015.

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. Images courtesy of Randall Neff. Much of this information was obtained through OCR, so don't expect complete accuracy. These pages are not associated with IBM in any way.

Creation time: Tue Mar 03 23:40:32 2015.