Wch Ch382l Driver Windows 10 File

PCI Express x1 Lane, fully compliant with PCIe Base Specification Revision 1.1 .

Look under . You should see "WCH PCI Express => Serial Port" or similar entries.

Click "INSTALL" in the DriverSetup dialog box.

The (typically CH38XDRV.EXE ) provides stable, high-speed serial connectivity for modern systems. By downloading directly from WCH and verifying via Device Manager, you can ensure that legacy devices operate correctly on Windows 10 and Windows 11. wch ch382l driver windows 10

Download CH38XDRV.EXE from the official link above. Run the Installer: Double-click the downloaded .exe file.

The WCH CH382L is a popular PCI Express-based dual serial port (UART) and printer/parallel port controller chip. It is widely used in expansion cards to add legacy RS232 COM ports or a parallel printer port to modern desktop computers.

Check that your motherboard's primary PCIe generation speeds are set to "Auto" or Gen 1/Gen 2 compatibility mode. 3. Unsigned Driver Warnings PCI Express x1 Lane, fully compliant with PCIe

Disclaimer: The above information is based on WCH driver version 1.5, available as of 2026.

The safest and most reliable location is the official WCH website. Note that WCH’s website navigation can be tricky; follow these steps:

If the device still appears as an "Unknown Device" or "PCI Serial Port" under "Other devices," right-click it, select , and choose Search automatically or browse to the folder where you extracted the ZIP version. 3. Troubleshooting Common Issues CH38XDRV.EXE - Nanjing Qinheng Microelectronics Co., Ltd. Click "INSTALL" in the DriverSetup dialog box

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To recap: