Function of the card:
Photo cell amplifier
Part number:372298
PCB number:399607
Used in:IBM 1311 Disk
Transistor type:100 102
References:
IBM 1311 ILD, p98.
This page created by Ken Shirriff, 2015.
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. Images courtesy of Randall Neff. Much of this information was obtained through OCR, so don't expect complete accuracy. These pages are not associated with IBM in any way.
Creation time: Tue Mar 03 23:40:32 2015.