Notebook POST Code Test Card --- 4 digits Code Display for Notebook LPT port
Motherboard Diagnostic Card, also known as a "POST Card" (Power On Self Test), is used to test & diagnose motherboard problems.
It is fit for laptop with USB and the parallel port (LPT) to which POST codes is output.
4 seven-segment digestion displays POST codes, the POST CODE is in a sequence to be checked by pressing forward and backward button.
The two LED on display panel is RESET signal indicator and IRDY signal indicator.
It can diagnosis the motherboard signal which show the problem of CPU, Memory, monitor and so on.
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 bus reset and CLK signal working indicator. (When indicator LED is on to indicate its respective signal is fine.)
Fully compatible with any kind motherboards which has the Printer port for notebook