To avoid malware or unstable drivers, it is highly recommended to use the official WCH drivers. Visit the official WCH CH38XDRV download page . Download the latest zip file (usually CH38XDRV.ZIP ).
Some common issues related to the CH382SSP-1107 driver on Windows 10 include:
shows "PCI Serial Port" or "Unknown Device" with a warning icon.
If you are uncomfortable downloading and installing a driver manually, or if you have multiple driver issues on your PC, a driver utility program can be an alternative. Applications like are open-source utilities that automatically detect your hardware, find the necessary drivers from a massive online database (over 2.5 million drivers), and install them for you. While convenient, it's generally considered best practice to install drivers manually from the official source when possible for maximum control and security. ch382ssp-1107 driver windows 10
Before installing, ensure the card is physically seated correctly. your PC and unplug the power. Insert the card into an available PCI Express (PCIe) slot Restart your computer. Сигма-ИС 2. Standard Installation (Automatic) Download the CH38XDRV.EXE Right-click the file and select Run as Administrator when the prompt appears. Wait for the "Driver installation success" message. your computer to finalize the configuration. 3. Manual Installation (Via Device Manager) If the automatic installer fails or the device shows a Yellow Exclamation Mark ⚠️ in Device Manager: and select Device Manager PCI Serial Port Other devices Right-click the device → Update driver Browse my computer for drivers
Use only WCH CH382 drivers.
Right-click the device in Device Manager and select . To avoid malware or unstable drivers, it is
Before installing, confirm your hardware:
| Issue | Solution | |-------|----------| | (Windows 10 64-bit) | The official WCH driver is signed. If you still get an error, disable Secure Boot temporarily OR use bcdedit /set testsigning on (not recommended for permanent use). | | COM port number too high | In Device Manager → Port Settings → Advanced → change COM port number to COM1-COM9 for legacy software. | | Device disappears after sleep | Unplug/replug USB adapter (if USB version) OR disable USB selective suspend in Power Options. | | Error 10 (Device cannot start) | Reinstall driver; try different PCIe slot if on PCIe card; check BIOS for PCIe settings. | | Chip misidentified as CH340 | Some older Windows databases incorrectly label it. Force update driver to CH382-specific INF. |
Here is the recommended method:
The driver is not limited to Windows 10. The official WCH driver package is designed for excellent cross-platform support. It is fully compatible with Windows 11, 8.1, 8, 7, and even legacy versions like Windows XP, Vista, and 98. It also supports server versions from 2003 all the way to 2025. For Linux users, the kernel often includes native support for these chips (with the 8250_pci driver), though some configuration might be needed for parallel port functionality.
The is required to activate and control expansion cards powered by the WCH CH382 controller chip . This specific hardware chipset, manufactured by Nanjing Qinheng Microelectronics (WCH), converts a standard motherboard PCI-Express (PCIe) bus into dual asynchronous serial ports (RS232) and an EPP/ECP enhanced bidirectional parallel printer port .
With the correct driver, your CH382SSP-1107 will function perfectly under Windows 10, giving you reliable legacy serial connectivity for industrial, embedded, or hobbyist applications. Some common issues related to the CH382SSP-1107 driver