Only a few PS/2 -> USB adapters are fully functional according to the PS/2 specification. I use an adapter from Sanoxy [1] with my Model M and it works superbly

Only a few PS/2 -> USB adapters are fully functional according to the PS/2 specification. I use an adapter from Sanoxy [1] with my Model M and it works superbly. I have read of other Model M enthusiasts using the same one. [1] https://www.amazon.com/SANOXY-PS2-Keyboard-USB-Adapter/dp/B000BSJFJS https://www.amazon.com/SANOXY-PS2-Keyboard-USB-Adapter/dp/B0...