If you've just added a PCIe card to your PC for extra serial or parallel ports, you likely noticed it uses the WCH CH382L
If using the .EXE file, simply run it as an administrator to automatically register the driver.
He dug deeper, bypassing the main site and looking for FTP directories. This was the hacker's way—digging through the back-end filing cabinets of the internet. He found a folder named /drivers/legacy/ .
WCH CH382L is a dual-interface chip supporting both PCI-Express to dual serial ports and a printer port. For Windows 10, installing the correct driver is essential to ensure the hardware is recognized as a high-speed communication port. Driver Installation Guide for Windows 10 To get your CH382L card up and running, follow these steps: Official Driver Source : The most reliable driver is the CH38X series driver provided by WCH (Nanjing Qinheng Microelectronics)
For users running Windows 10 (both 32-bit and 64-bit), obtaining the correct driver is essential for the expansion card to be recognized as a valid COM or LPT port.
Look under . You should see "WCH PCI Express => SERIAL" or "WCH PCI Express => PARALLEL" listed with assigned port numbers (e.g., COM3). Key Features & Specifications