USB 4-Digit PC Analyzer Diagnostic Card Motherboard Tester

This new Computer Analyser Diagnostic Card (also called POST--Power On Self Test) is a powerful testing equipment for Laptop & desktop with 25 pin printer port. It is known that the BIOS will automatically initialize and test the I/O setup of the mainboard configuration and send the test code to the PCI or ISA bus orderly when the computer is booting. "No problem, next". This analyzer card can intercept and hex the code until the next code come. Thus, if there is any thing wrong with your computer, you can know exactly what the problem is just after you insert this card into your 25 pin printer interface of your booting computer and look up the codes displayed on it in the relative table of the User'Guide.