I am hoping there is a quick solution to this : I have a system running XP with a motherboard that has 1 X ps/2 keyboard and 1 X ps/2 for the mouse. My vista machine has only one ps/2 (dual I am guessing). XP - 1 X ps2 mouse and 1 X ps2 keyboard Vista - 1 X dual ps/2 mouse/keyboard. So here is where the problem lies - with only one ps/2, I can only plug one of the ps/2 from the KVM into it. So I went and purchased a Ps/2-to-USB cord because therefore I could plug the 11mouse into the machine (the VISTA machine was using the dual ps/2 keyboard). But this doesn't work. It recognizes the keyboard running through the KVM, but not the mouse (running through the KVM, but with the addition of a ps2-to-usb. So as it stands, the KVM is running just the keyboard. I have had to resort to running a second mouse (with USB) into usb port in the VISTA machine for it to work. Any ideas why the MINI KVM or the VISTA machine is not recognizing the PS/2-to-USB cord?