Resources WikiOperator’s ManualInterfacing and Programming ManualHP Museum Please check out HP 85B computer and HP 9121 floppy disk drive. https://www.youtube.com/watch?v=s-y-EMtx1-Q Internals Panel Base Transformer and Motors Control…… Read more “Hewlett-Packard 7470A Plotter”
Category: HP
Hewlett-Packard 9121 FDD
Resources HP Museum (plus documentation) Please also see a page about Hewlett-Packard 85B which works with this floppy. Service manual contains a great instruction how to perform…… Read more “Hewlett-Packard 9121 FDD”
Hewlett-Packard 85B
Resources Wikiseries80.org (documentation, programs, ROMs)HP Museum (documentation) Please also see Hewlett-Packard 9121 FDD for this computer. Internals Motherboard CRT Complex CRT Analog Board CRT Keyboard Expansion Board…… Read more “Hewlett-Packard 85B”
