P/N 1428401
Type
Model M15 Adjustable Keyboard
OEM
Lexmark
Switches
IBM membrane buckling springs
Earliest Appearance
1994
Original Keycaps
PBT with dye-sublimated legends
Casing Colour
White
Branding
Lexmark logo
Feet
Multi-setting ergonomic feet
Protocol
Set 2/AT
Connection
Cable
Cable
Grey coiled fixed PS/2
Key Count
89
Form Factor
Ergo tenkeyless
Layout/Language
US ANSI
Data Last Updated
2021-05-12
More about this type of keyboard...
The Model M15 was a highly adjustable ergonomic tenkeyless-like keyboard based on the Model M1/M2 design and was branded as either the IBM Adjustable Keyboard or Lexmark Select-Ease Keyboard. Being the only ergonomic keyboard as per today's standards that IBM ever marketed, the Model M15 features a high degree of customisability; including split, tilt, swivel and tenting capabilities. For convenience, the arrow keys are duplicated on both halves of the keyboard and the split spacebar has an Erase-Eaze feature. It is a candidate for the last IBM-sanctioned buckling springs keyboard design.