This page describes the IBM SMS card "FML", and is part of the SMS card database.

Function of the card:
Power Supply

Part number: 375161

PCB number: 397453

Used in: IBM System/360

IBM SMS card type FML 375161 IBM SMS card type FML 375161

Image courtesy of intabits

This page created by Ken Shirriff on Wed Sep 15 18:15:10 2021.

The information on these pages comes from a variety of sources, especially old IBM documents on, 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.