WCH CH382L is a high-performance, single-chip PCI-Express (PCIe) bus converter designed by Nanjing Qinheng Microelectronics (WCH)
Method 1: Automatic Driver Installation (Recommended)
- Download
CH38XSER.EXE from the WCH website.
- Right-click the file and select Run as Administrator.
- Follow the on-screen wizard. Select "Install" (not "Extract Only").
- Wait for the progress bar to complete.
- Restart your computer.
- After reboot, go to Device Manager → Ports (COM & LPT). You should see "PCIe to Parallel Port (CH382L)" or similar.
Troubleshooting Common CH382L Driver Issues
Problem 1: "Driver is not digitally signed" on Windows 10/11
Solution: Temporarily disable driver signature enforcement.
Bus Interface: Single-lane (x1) PCI-Express, fully compliant with PCIe Revision 1.1 with throughput up to 2.5 Gbps.
6. Linux Users
If you are using Linux (e.g., for a server or older hardware interface), you do not need to download a driver file. The kernel includes support.
Download the driver package. It typically includes:
Wch Ch382l Parallel Port Driver Download _top_ [COMPLETE · 2025]
WCH CH382L is a high-performance, single-chip PCI-Express (PCIe) bus converter designed by Nanjing Qinheng Microelectronics (WCH)
Method 1: Automatic Driver Installation (Recommended)
- Download
CH38XSER.EXE from the WCH website.
- Right-click the file and select Run as Administrator.
- Follow the on-screen wizard. Select "Install" (not "Extract Only").
- Wait for the progress bar to complete.
- Restart your computer.
- After reboot, go to Device Manager → Ports (COM & LPT). You should see "PCIe to Parallel Port (CH382L)" or similar.
Troubleshooting Common CH382L Driver Issues
Problem 1: "Driver is not digitally signed" on Windows 10/11
Solution: Temporarily disable driver signature enforcement. wch ch382l parallel port driver download
Bus Interface: Single-lane (x1) PCI-Express, fully compliant with PCIe Revision 1.1 with throughput up to 2.5 Gbps. Download CH38XSER
6. Linux Users
If you are using Linux (e.g., for a server or older hardware interface), you do not need to download a driver file. The kernel includes support. WCH CH382L is a high-performance
Download the driver package. It typically includes:
