Since different companies rebranded the same board, your best bet is to look for drivers based on the , not the model number. 1. The Direct Source
Look for an "Unknown Device" or "PCI Communications Controller" with a yellow exclamation mark. Right-click it -> -> Details tab. Select Hardware Ids from the dropdown.
The is the required software component that enables your operating system to communicate with the PI40952-3X2B PCI-Express Adapter Card . This legacy expansion card, manufactured under brands like EXONE, Manhattan, and ESPIRCOM, adds external communication ports to modern desktop computers. Depending on the specific variant of your card, installing this driver unlocks either dual RS-232 DB9 serial ports or a DB25 parallel printer port via a single PCIe x1 motherboard slot.
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