Function of the card:
SDTRL - Indicator Driver, 40 MA
SDTRL - indicator driver, 40 ma
SDTRL-indicator driver 40 ma
Saturated Drift Transistor Resistor Logic (SDTRL) is a form of resistor-transistor logic using faster drift-field transistors.
Part number: 371941
PCB number: 493233
Used in: IBM 1410, IBM 1414 I/O Synchronizer, 7030
Cap code: None (details)
National Museum of Computing.
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.