Automatic IRQ and I/O address assignment (Plug-and-Play).
. It is commonly found on expansion cards for connecting CNC machines, printers, or POS systems. 💾 Driver Download The official driver is provided by the chip manufacturer, (Nanjing Qinheng Microelectronics). Official Download Page: WCH CH35X Driver Download Linux Driver: CH35XDRV.ZIP (Linux) Windows Support: Works on Windows 11, 10, 8, 7, Vista, and XP. 🛠️ Quick Installation Guide Insert the Card: Power off your PC and seat the card into a PCI slot. Download & Extract: Get the driver from the WCH official site Run Setup: Execute the CH35XDRV.EXE file to install. Verify in Device Manager: Windows + X Device Manager Look under Ports (COM & LPT) for "WCH PCI-Parallel" or similar. ch351q parallel port driver