In 2024 by Alvaro Alea Fernandez
License under: CERN Open Hardware Licence Version 2 - Strongly Reciprocal
https://ohwr.org/cern_ohl_s_v2.txt
My work is only copy the design to Kicad, all (C) are retaing to the original owners.
U1 shall be mounted in the solder side, in a way that allow to insert on the Sinclair QL's Rom socket.
Original Information of minerva can be found here: http://tfs.firshman.co.uk/ql/minerva.htm
A generic description here: https://wiki.qlforum.co.uk/doku.php?id=qlwiki:minerva
Manuals and software here: https://dilwyn.qlforum.co.uk/docs/manuals/index.html
Main information, GAL code, pictures, etc... has been obtained from this post: https://qlforum.co.uk/viewtopic.php?t=1993