Allows you to test if all the contactors of a PCI Express port are in good condition and active. Instant visual test thanks to a LED diodes tray. For any material with Port PCI Express. Note that due to its size, it will not always be possible to test the PCIE 1X ports, the tester being intended primarily for the test of the graphics card (16x and beyond). - Position the tester on the PCI Express port to be checked, feed the tester with a 12V external power supply (with 2 2.5x5mm type intake). External power supply provided, - Press the small button located on the tester and view the diodes. All must have the same brightness: a diode too dark can point out an open circuit, while a too bright diode can point out a short circuit, No particular skill is required, just a finger is enough to pr.
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