This page contains links to packages that describe some of my electronics projects. I am making these designs available to be used for personal use only if you
wish to use these designs for commercial use please email me for permission to do so.
HP-75 cross reference of lex files from MoHPC library and ROMs
75LEX.zip Zip archive of cross reference files
HP75 EPROM Board
75EPROM.pdf PDF file containing schematic of board and notes
Series 80 EPROM Boards
85EPROM.pdf Text file describing my first EPROM board design which was aimed at my 85A but could be used on any of the models.
85EPROM.zip Zip archive containing all the information required to make your own board.
86EPROM.pdf Text file describing my second EPROM board design which was aimed at my 86B but could be used on any of the models. In some ways this design
is more flexable than the first design.
86EPROM.zip Zip archive containing all the information required to make your own board.
Text and images are Copyright Paul H. Berger, 2011 - 2012.