View Full Version : IBM5155 computer power supply schematic mystery.

Hugo Holden
April 4th, 2017, 09:40 PM
Does anyone know if this schematic was ever published by IBM or even by Sams ? It appears to be very difficult to locate. Also it looks like this supply was probably built by Zenith data systems.

November 27th, 2017, 10:26 PM
There appears to be something at http://www.retrocomputing.net/parts/ibm/5155/docs/portablepc/