The tool (often included with Diagbox installations) is an all-in-one utility that can both update the firmware of the interface and install the correct driver. When you run “PSA Interface Checker Install.exe,” it unpacks the driver files and ensures the operating system can detect the device.
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This will help narrow down the specific driver package you need. Share public link
If running DiagBox in a VM, ensure the USB device is explicitly passed from the host Windows system to the Virtual Machine. psa xs evolution 9780z5 driver
Usually only compatible with older versions like DiagBox v6.xx. Troubleshooting "Device Not Recognized"
However, there is an important nuance: many online sources clarify that is a PSA part number used on stickers to make clone units look more authentic. In other words, while the genuine OEM interface from Actia also carries this reference, the vast majority of units in circulation today are clones. As one forum post explains, “The difference is that the 9780.z5 is a Chinese copy, but if this one is with the correct hardware (optocopler/ic’s) it works good with lexia/diagbox”.
The PSA Interface Checker also allows you to flash the interface firmware to Revision C, which is required for newer versions of Diagbox (V7.xx and above). The tool (often included with Diagbox installations) is
If a firmware upgrade is necessary, select the correct .HEX file inside the Interface Checker directory and click . Troubleshooting Common Driver Errors 1. Device Shows as "Unknown Device" or "USB Serial"
Use USB 2.0 ports if possible, as 3.0 ports can sometimes have driver issues with older hardware. Conclusion
Use a USB 2.0 port if possible, rather than USB 3.0/3.1. This link or copies made by others cannot be deleted
Select the .inf file (often named APPLIUSB.inf ), click , and confirm the installation despite any Windows security warnings. How to Verify Your Device Firmware
If you own a PSA XS Evolution marker, the 9780Z5 driver is a reliable, smooth-shooting upgrade over earlier bolt systems. However, new players may find it finicky with lube and tank output pressure. For tournament use, it holds its own against the Gamma Core (Planet Eclipse) but lacks the aftermarket support of more common platforms.
Navigate to > Advanced options > Startup Settings > Restart .