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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.
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.
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
