Function of the card:
Alloy-Storage Address Register
Card asm tstr aly stor address reg
Part number: 373000
Field replacement part number: 373000
Customer Eng reference number: 729801
PCB number: 490000,490051 , hole pattern: 490000,490051
Used in: IBM 1401
Transistor type:033 034 083
1_2 SMS Cards, p49,50,51,52,53,54,55,56.
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.