1.mini PCI&(LPT+USB) 2 in 1. It is fit for MiniPCI slot of laptops as well as both laptop and desktop with parallel port (LPT) to which POST codes is output,usb provide power.
2.Two-bit seven-segment digitron displays POST codes. The two dots on display panel is RESET singal indicator and IRDY singal indicator.
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.LED displays shows diagnosis result of motherboard. Especially helpful to pinpoint where is the problem when power on the computer and find no display or machine hang PCI bus reset and CLK signal working indicator.(When indicator LED is on to indicate its respective signal is fine.
6.Fully compatible with any kind motherboards which has the mini PCI bus slot , Printer port for notebook.