IBM 4980 keyboard

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IBM 4980 keyboard
IBM 4980 - Front with mixed up keycaps.jpg
Part number 4178208
Branding IBM
Manufacturer IBM
Features Relegendable keys
Layouts Custom 127-key
Keyswitches Capacitive IBM buckling spring

The IBM 4980 was a terminal for the IBM Series/1 minicomputer, which used a 127-key Model F keyboard. Based on the regular 122-key keyboard, it had additional keys that made its layout more similar to the beam spring keyboards on older Series/1 terminals.

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