Mini-PCI& LPT port 4 bit diagnostic post test debug card

(1) mini PCI&(LPT+USB) 2 in 1. It is fit for MiniPCI slot of laptops as well as both laptop and desktop with USB and the parallel port (LPT) to which POST codes is output.
(2) The value of four-bit-code PC Analyzer's "initiative code" is specified and it is "0000" or "FFFF"."initiative code" is clear at a glance. While the value of conventional two-bit-code PC Analyzer's "initiative code" is uncertain and man is unable to distinguish accurately by unaided eye.
(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) You can thumb through the codes that has gone. If you press the switch the code pause ,If you press the switch again ,the code continue.