Function of the card:
1-6 way 1-4 way-load
1-6 Way, 1-4 Way W/Load (-A)
Sotol 1-6, 1-4 way -a w/load
Part number: 372195
Customer Eng reference number: 734304
PCB number: 484949 , hole pattern: 493457
Used in: IBM 1443 Printer, IBM 2821 Control Unit
Symbol:-A
-A: Negative AND. In-phase output is negative only when all inputs are negative. Out-of-phase output is positive for the above condition.
IBM 1443 ALD, p90
National Museum of Computing.
This page created by Ken Shirriff on Wed Sep 15 18:15:11 2021.
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.