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/* Griesmayer */
[[File:Griesmayer RS232 and Centronics Advert (CPC Schneider International, issue 12-1985, page 22).jpg]]
'''Griesmayer Electronic''' advertised "E.B.S. 464" (Expansion Board System) modules for 464/664: a '''IF1 parallel/serial data''' interface ([[RS232]], plus [[8bit Printer Ports|8bit Printer Port]]). As well as '''IF2 universal I/O''' interface, and '''SE1 5-slot motherboard''', and SK1/SK2 cables.
== Gundermann ==
