Hello all,

I have an Asus P3B-F v1.04 motherboard I've had for a number of years. At some point a few years ago the PS/2 ports started acting up. I switched over to a serial mouse and USB legacy support for the keyboard, but I'd like to fix it if possible. Whenever I plug a PS/2 keyboard in after it gets past the RAM count it just starts beeping as if someone held a key down. If you pull the cable out of the PS/2 then it's fine. I've tried spraying some contact cleaner in the port but made no difference.

I'm guessing at this point it would be a filtering capacitor or pull-down resistor or something like that near that area that would be bad. Not sure where to go next.

The board works fine otherwise it's just annoying.