AT keyboard
Alternatively referred to as the Model F keyboard, the AT keyboard is a US standard keyboard introduced in 1986 by IBM. The original version had 84-keys but was then replaced by the 101-key enhanced keyboard. Unlike new keyboards, the AT keyboard does not include the additional three Microsoft Windows keys now found on many IBM compatible keyboards.
An AT keyboard may also be used to describe a keyboard that uses the AT (Din5) port as shown in the above illustration. The Din5 Port is rarely used today since most computers use either PS/2 or USB keyboards.
Alternatively referred to as the Model F keyboard, the AT keyboard is a US standard keyboard introduced in 1986 by IBM. The original version had 84-keys but was then replaced by the 101-key enhanced keyboard. Unlike new keyboards, the AT keyboard does not include the additional three Microsoft Windows keys now found on many IBM compatible keyboards.
An AT keyboard may also be used to describe a keyboard that uses the AT (Din5) port as shown in the above illustration. The Din5 Port is rarely used today since most computers use either PS/2 or USB keyboards.
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