1986 IBM model M (1390131) Made by IBM 12 AUG 86

Description

part#1390131
serial#1054758
date12 AUG 86 (37 years old)
IBM logosilver logo with black text
cableremovable, gray coiled SDL to ps/2 cable (long, new cable)
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.
commentsShiny curved steel plate
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.

Includes 4 blue 7/32″ screws primarily found in 1986 model M keyboards.  Silver IBM aluminum logo (see photo)

Selling at $20 discount, due to some paint marks/dark microspots that were not completely removable by normal cleaning.  See last 3 photos.

 

 

 

 

 

Additional information

Weight8 lbs
Dimensions24 × 10 × 5 in

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