Original IBM PCB keyboard controller part# 1393291
Suitable for IBM model M keyboards from 1391401 from 1988, 1989, 1990, may fit other IBM model M keyboards of similar vintage with similar pinouts.
– external SDL female connector
– internal connectors for 16 pin + 8 pin connectors + 4 pin connectors for LED lock lights
Item recently tested on a 1391401 keyboard and will correctly ship in protective bubblewrap.
(please do not ask us to simply put this hard-to-find 30-year-old IBM electronics module in a flat paper envelope and put two or three postage stamps on it and ship it via the cheapest letter mail without tracking information)