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

Function of the card:
1-6, 1-4 way -a wo/load h.s.
1-6 way 1-4 way (-a) wo/load h.s.

Exists in SLT version.

Part number: 372528

SLT modules: 2399110, 361431

Customer Eng reference number: 734378

Used in: IBM 1311 Disk, IBM 2821 Control Unit

Cap code: None (details)

References: IBM 2821 CCD, p79
IBM 1311 ILD, p154

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.