Function of the card:
Dap solenoid driver
Listed in 1401 SMS card usage
Part number: 372375
Customer Eng reference number: 734383
PCB number: 399721
Used in: IBM 1401, IBM 2821 Control Unit
Cap code: None (details)
Symbol: DM
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.