1． It is fit for both laptop and desktop with the parallel port (LPT), to which POST codes is output.
2． The power providing of this post card is used with USB.
3． Court defects by difference sounds coding with build-in speaker.
4． It can diagnosis the motherboard signal which show the problem of CPU, Memory, display card and so on.
5． The usage of this post card is very easy and convenient. The manual is pellucid..
6． Fully compatible with any kind motherboards which has Printer port.
