1986 IBM model M (1390120) Made by IBM 18 JUN 86

Description

part#1390120
serial#2000639
date18 JUN 86 (33 years old)
IBM logosilver logo with black text
cableremovable SDL, coiled cable, AT connector (used cable, black cable, one clip) + AT to ps/2 adapter
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.  All 56 plastic 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 stepped Alt keys and Enter keys
commentsThis keyboard is tested to work 100%. The keyboard assembly has been confirmed to be in functional, operational condition.
commentsAll 56 plastic rivets have been expertly replaced with M2 screws for ensure for a tight and crisp keyboard feel.

Shiny (hot dipped galvanized) curved metal rear plate.

 

Additional information

Weight8 lbs
Dimensions24 × 12 × 4 in

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