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I'm losing my mind. This old graphics tablet connects to the PS/2 port on an old PC for power. There's a separate serial cable for the actual data connection. I want to supply it power without needing to connect it to a PS/2 port, so an adapter for USB would be ideal.
I know others have achieved this but I can't find the details. Can anyone help? The search results are full of Playstations because it misinterprets the "PS/2" part.
Usually you can't just patch USB to ps/2 pins. Others called out voltage might not be the same even if you aren't using data.
You sure can with keyboard and mouse. Did that in the early days. Pretty sure I tossed that adapter though. Don't have any ps/2 ports anymore.