Function of the card:
Converter-Diffused Base S P-Line to SDTRL, or SDTDL
Converter-diffused bases p-line to sdtrl, or sdtdl
Listed in 1401 SMS card usage
Part number: 370385
PCB number: 484137
2_2 SMS Cards, p70
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.