: Power off your PC, insert the CH351Q card into an available PCI slot, and reboot. Verification Right-click Device Manager Ports (COM & LPT) You should see WCH PCI Parallel Port (LPT1) or similar. 3. Configuring Port Addresses
), you may need to use a "Virtual LPT" remapper, as PCI cards generally cannot be forced to these specific legacy addresses in Windows. 4. Technical Specifications : WCH CH351Q. : 32-bit PCI bus. ch351q parallel port driver