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
Key Count
83
Original Keycaps
ABS with pad-printed legends
Casing Colour
White
Branding
IBM blue oval badge
Connection
Set 2/AT over PS/2
Layout/Language
US ANSI
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.