High resolution pictures of the circuit boards of hardware designed by Ulrich Rosowski have been made available. No documentation, other than what can be seen etched onto the PCBs. Includes hardware such as the U+5 expansion backplane, Mega-RAM, HD-V2 (hard disk bus interface), Internal ROM expansion card, keyboard interface. Includes some photos of QIMI PCBs too.
Download the images as a PDF document from http://www.dilwyn.me.uk/docs/hardware/ql-platinen.pdf