I'm trying to connect my PS/2 keyboard to the Raspberry Pi Model B. So I went out and bought myself a PS/2 to USB adapter hoping that it would work.

Here's an image of the adapter below:

And here is a picture of the keyboard I'm using:

It's an IBM Keyboard Model KB-7953 With 5v and 200mA.

Comment if there is any more information you need to know to see what the problem is.

  • Did you test the keyboard and pigtail combo in another system to make sure it works?
    – Tyson
    Sep 7, 2015 at 4:56

1 Answer 1


That type of converter just wires pins to pins. Legacy USB ports are able to notice that it's a PS/2 keyboard and change their behaviour.

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The RPi USB port doesn't have the support for the PS/2 combatibility

You need one with a translation chip like this one from adafruit

enter image description here

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