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SNKB-M1996-4KB-83

Original specs/details

Full Name
IBM Space Saver Keyboard
Part Number
1397451
Type
Model M4 Space Saver Keyboard
Switches
IBM buckling rubber sleeves (M3/M4 rod-actuated variant)
Feet
Rubberised single-setting flip-out feet
Protocol
Set 2/AT
Connection
Cable
Cable
Grey coiled detachable SDL to PS/2
Form Factor
Tenkeyless (compacted)
Production Date
1996-03-15
Acquisition Date
2021-06-09

About this keyboard type

The IBM Space Saver Keyboard (not to be confused with the IBM Space Saving Keyboard or SSK) was the discrete desktop and server environment adaptation of the IBM Personal System/2 L40SX laptop's Model M3-based buckling sleeves keyboard assembly. The Model M4 is a straight adaptation of that assembly, featuring the same layout but available with beige or black case colour. M4s were originally produced by Lexmark and Key Tronic, however, Unicomp continued selling M4s until 2010. Unicomp's internal codename for the M4 family was "Surf".