4-Bit PC Analyzer Diagnostic Motherboard LPT Tester USB Post Test Card For Laptop Desktop Feature: This motherboard diagnostic card, also known as a POST card (power on self test), is a powerful diagnostic tool for technicians and administrators to troubleshoot various problems of compatible notebooks by using the 25 pin parallel printer port (LPT) and USB port for power.

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Once downloaded, run the file on your computer to see the installation instructions. Drivers Software Downloads exe 38.0 MB Version: 3.40 2/20/2019. 4-Bit PC Analyzer Diagnostic Motherboard LPT Tester USB Post Test Card For Laptop Desktop Feature: This motherboard diagnostic card, also known as a.