In post #118308 RB suggested getting an eprom reader to the guy with the Basis 108 diagnostic disk controller. I've lent them mine, and it would be great if someone could do a sanity check on the resulting file (it's on the FTP) while they still have access to it.

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