IBM Trackball Keyboards
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| Branding | Lexmark, IBM |
|---|---|
| Product family | IBM Model M |
| Keyswitches | Buckling spring over membrane |
| Interface | PS/2 × 2, DIN 5 and Serial |
| Precedes | Unicomp On-The-Ball |
IBM Trackball Keyboards are IBM Model M keyboards with integrated trackballs.
Models[edit | edit source]
M5-1[edit | edit source]
The Model M5-1 placed the trackball and four buttons between the cursor keys and the upper navigation block.
M5-2[edit | edit source]
The Model M5-2 placed the trackball and eight buttons (four top, four rear) at the top-right of the keyboard, above the LED panel.
Gallery[edit | edit source]
M5-1[edit | edit source]
- Lexmark M5-1 (1370478)
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Model M5-1 -
Trackball -
Label
M5-2[edit | edit source]
- Lexmark M5-2 (92G7455)
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Model M5-2 -
Trackball -
Label
