P/N 1397451
FRU Part Number
1397470
Type
Model M4 Space Saver Keyboard
OEM
Lexmark
Switches
IBM M3/M4/ThinkPad buckling sleeves (Lexmark variant)
Earliest Appearance
1996 Q1
Casing Colour
White
Branding
IBM blue oval badge
Feet
Rubberised single-setting flip-out feet
Protocol
Set 2/AT
Connection
Cable
Cable
Grey coiled detachable SDL to PS/2
Key Count
83
Layout/Language
US ANSI
Data Last Updated
2020-11-12
More about this type of keyboard...
The IBM Space Saver Keyboard was the first detached alphanumeric buckling sleeves keyboard from the company. Not to be confused with the IBM Space Saving Keyboard (SSK), the Model M4 was a detached desktop adaptation of the IBM Personal System/2 L40SX's integrated Model M3 keyboard.