IBM PC Keyboards
In 1981, IBM released “IBM Personal Computer” (aka IBM PC. Model number 5150)
This computer and later models became widely popular, becoming what's today known as PC or PC compatible, used by everyone, world wide, running Microsoft Windows Windows. (the other computer maker that enjoyed success, is Apple's Computers.)
There are several models of IBM PC over the years. The major ones are:
- 1981. IBM PC (model 5150). CPU 8088.
- 1983. IBM PC XT (model 5160). PC with hard drive.
- 1984. IBM PC AT (model 5170). New CPU, 80286.
Some of these new models, also have a new model of keyboard that come with it.
Each of the keyboard, also have many variations. Here are the main ones.
IBM Model F Keyboard, for IBM PC, 1981
IBM Model F Keyboard for IBM PC AT, 1984
The IBM PC AT (1987), some of its keyboard has CapsLock besides A, some has Ctrl besides A.
IBM Model M Keyboard, 1986
After IBM PC keyboard
After IBM PC, in 1990s, Microsoft introduced the ❖ Window key, and ▤ Menu key.
These keys first appeared on Microsoft Natural, 1994.
Other keyboard makers, also added these keys.
[see Microsoft Keyboards]