nope, simply if the pump is on and pumping or if it has failed. The header is a 2 pin 5v low amp conection for an LED

I am knowledgable in Z80 and PIC microcontrolers and could probably build such a system. But i can't use the serial port at the same time as the USB input, can I? And would the Z80 or the PIC be sutible? Could i use the dallas one wire, as there are only two conditions, On(1) or Off(0). I learning ...

I have an MX402 and i all so have watercooling in my pc. The control box for the water cooling has a header for an LED and i was wondering is there a way of being able it connect this to the display, to indicate the status of the pump and the watercooling systemas a whole?