CH382SSP-1107 Driver for Windows 10: Installation, Troubleshooting, and Solutions
Complete Guide to Downloading and Installing the CH382SSP-1107 Driver on Windows 10
To avoid malware or bloated installer tools, you should download the driver directly from the official manufacturer or trusted component archives. Option A: The Official WCH Website (Recommended)
Right-click the serial port in Device Manager, go to Properties , choose the Port Settings tab, and click Advanced . Lower the FIFO buffer settings or lower the maximum bits per second (Baud Rate) to match the exact requirements of your legacy hardware.
You should see new entries listed, such as WCH PCI Express Dual Serial Port (COM3) or WCH PCI Express Parallel Port (LPT1) . ch382ssp-1107 driver windows 10
Use only WCH CH382 drivers.
Method 1: Using the Automated Executable Installer (Recommended)
: Download and extract the CH38XDRV.ZIP folder.
If your card is showing up as a "PCI Serial Port" with a yellow exclamation mark in , follow these steps: You should see new entries listed, such as
If that fails:
Windows 10, especially in its 64-bit versions, enforces strict driver signature enforcement. Drivers must be certified by Microsoft to ensure stability and security. The CH382 chipset was designed during the Windows XP/Vista/7 era. While the manufacturer (WCH) often provides drivers that function with Windows 10, they are frequently unsigned or carry outdated signatures. Consequently, Windows 10 may block installation outright or display a severe warning, preventing the card from being used without advanced system modifications (e.g., disabling signature enforcement, which is not recommended for production systems).
Combines serial ports with a parallel port (IEEE1284).
If the executable installer fails or if you downloaded a bare-metal driver package consisting of .inf , .sys , and .cat files, follow these steps: Return to the . If your card is showing up as a
If your legacy software cannot communicate with the device, double-click the newly created Serial or Parallel port in Device Manager, navigate to Port Settings -> Advanced , and manually change the COM or LPT port number to a vacant designation required by your specific application.
After installing the driver, you should verify that Windows 10 recognizes the ports correctly and assigns them functional resources. Open again. Expand the Ports (COM & LPT) section. You should now see new entries listed, such as: WCH PCI Express => CH382 2S1P - COM Port (COM3) WCH PCI Express => CH382 2S1P - LPT Port (LPT1)
Right-click the device in Device Manager and select .
to ensure the new drivers are properly registered in the Windows system registry.