IBM SpaceSaver
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| Model no. |
M4 M4-1 (with TrackPoint device) |
|---|---|
| Branding | IBM |
| Keyswitches | Buckling rubber sleeve over dome |
| Interface | PS/2 |
| Introduced | 1992 (M4-1)[1] |
The IBM SpaceSaver is a compact keyboard from IBM that is significantly smaller than even the IBM Space Saving Keyboard. It used the designation "Model M4".
A revised version, the "Model M4-1", featured a second generation TrackPoint device, becoming the first discrete TrackPoint-equipped keyboard from IBM. The keyboard assembly is a straight adaptation of the IBM PS/2 L40SX's integrated keyboard (ie, Model M3), except fitted with a TrackPoint II nipple, and uses the same tactile and non-mush buckling rubber sleeves switches as it and the L40SX's accompanying IBM Model M3 numeric keypad.[1]
Unicomp (and to a lesser extent Key Tronic) also produced M4s, with Unicomp continuing to market their version (called the Mighty Mouse, codenamed "Surf") until the late '00s.
References
- ↑ 1.0 1.1 Reddit — IBM M4-1 Space Saver Keyboard and IBM RT3200 Space Saver II Keyboard by Sharktastica. Posted 2021-05-06. Retrieved 2024-04-25.
