1988 IBM model M (1390131) Made by IBM 16 SEP 88

Description

part#1390131
serial#3140905
date16 SEP 88 (29 years old)
IBM logosilver logo with black text
cableremovable, coiled SDL to ps/2 cable (new)
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 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.
commentsInterior keyboard found in excellent condition, no additional dusting or deep cleaning was necessary.  Keyboard has yellow wires to LED and metal stabilizers under the numberpad Enter and numberpad + keys.  Only a select number of plastic rivets were found to be loose and were drilled out and replaced with M2 screws.  Has a very thin hairline scratch near IBM silver logo badge (see last photo)








 

Additional information

Weight7.1 lbs
Dimensions24 × 12 × 3 in

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