This is the keyboard ROM for the Siemens PC-D complete with two pictures of the pcb inside.

Siemens PC-D keyboard ROM and pix

The DMV has D8741AD inside the keyboard which I can't read yet, I haven't found a way to get inside the Rainbow keyboard without destroying it, maybe Will can shed a light onto what to expect there.


NCR DMV- DEC Rainbow- Siemens PCD- ITT 3030-Oly People- Acorn A5000- Olivetti M20