IBM P70/P75 keyboard
|More information is available in material written in Chinese; please translate this material and incorporate the translated text into this wiki page.|
|Layouts||JIS, ISO, ANSI|
|Keyswitches||Alps plate spring|
The P70/P75 keyboard was part of the IBM P70 portable 386 computer, also known as the IBM Model 8573-121. The keyboard would connect to the portable 386 via the tiltable top part which also serves as a large keyboard "stand". To save weight of the unit as a whole, the P70/P75 keyboard was constructed accordingly.
The Alps SKCP series switches are PCB mounted in a snap-in case that is made of thin plastic compared to other IBM keyboards of that time, presumably also to save weight and space. The keyboard speaks the PS/2 protocol but uses a proprietary connector. The keycaps are dye sublimation / PBT.
When attempting to open the P70/P75 keyboard one should follow the instructions on this link.
Proceed with caution to avoid breaking the case since it can be quite strenuous to open the plastic latches, particularly the ones under the function row that latch to a metal bar running all across the keyboard and are not easily accessible.
Danish ISO version.
German ISO version.
- KBtalKing — ■鍵盤史的遺跡IBM-Model 8573-P70(ALPS葉式彈簧)■ (23F3212)