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P/N 1397901

Lexmark Space Saver Keyboard

Type
Model M4 Space Saver Keyboard
OEM
Lexmark
Earliest Appearance
1995
Original Keycaps
PBT with dye-sublimated legends
Casing Colour
Pearl White
Branding
Protocol
Set 2/AT
Connection
Cable
Cable
Grey coiled detachable SDL to PS/2
Key Count
84
Form Factor
Tenkeyless (compacted)
Layout/Language
US ANSI
Data Last Updated
2021-10-06

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Variant of a Model M4 Space Saver Keyboard
Variant of a Model M4 Space Saver Keyboard
Variant of a Model M4 Space Saver Keyboard
Variant of a Model M4 Space Saver Keyboard

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".

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