yup.. only when i have it connected to the ps/2 port. when using the usb port, my intellimouse optical turns off. i've had this for almost 6 months (since i got my belkin omniview soho belkin kvm) and it hasn't died on me yet. before my kvm, i just had it connected to my usb port.
that's just cuz the ps/2 ports are powered.. does this have something to to with atx power supplies or the motherboard. i dont mind. i also have a hotkey set so i can turn my pc on just by tapping on any key of my keyboard.