Function of the card:
Alloy-Drivers, Read Write VM
Alloy-drivers read write vm
Listed in 1401 SMS card usage
Germanium alloy transistors were an early type of transistor, faster than the earlier grown-junction transistors.
Part number: 371463
Used in: IBM 1401, IBM 1414 I/O Synchronizer
References: 2_2 SMS Cards, p19
Coslet data
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.