1987 IBM model M (1390120) Made by IBM 29 JAN 87

Description

part#1390120
serial#2341253
date29 JAN 87 (29 years old)
IBM logosilver logo with black text
cableremovable SDL, coiled cable, ps/2 connector (used cable, standard length)
key capsremovable (two piece, key stem + key cap)
key switchesclicky = buckling spring
Designed when “real” typing on a quality keyboard was a required skill to use a $4000 IBM personal computer. PC mag link
(pre-dates the then new mouse-click and graphical user interface operating system later to be known as Microsoft Windows 3.1 and 95)
conditionKeyboard pre-selected as good candidate and passed initial testing to confirm mechanical condition.  Upper keyboard case disassembled and individual 101 keys have been removed and fully cleaned by hand.  Inspection of interior plate.  Any missing rivets drilled out and replaced with M2 precision screws to restore internal integrity.  Interior plate vacuumed to remove foreign debris.  Keyboard re-assembled and re-tested post-cleaning. Individual photography of rear label.
commentsVery nice IBM model M keyboard with rare internal extra heavy-duty shiny plate and silver IBM logo.  Has additional stabilizer bars under numeric + and Enter keys in addition to stabilizer under space bar.
commentsThis keyboard is tested to work 100%. The keyboard assembly has been confirmed to be in functional, operational condition.
commentsMany, but not all of the original rivets, have been expertly replaced with M2 screws for ensure for a tight and crisp keyboard feel.

Additional information

Weight9 lbs
Dimensions24 × 12 × 3 in