: Windows 11/10/8.1/8/7/Vista/XP, Windows Server (2003–2022), and Linux. Nanjing Qinheng Microelectronics Co., Ltd. Device Specifications PCI Express (PCIe) x1 WCH CH382L 2 x DB9 Male (Serial RS-232) Transfer Rate Up to 921.6 Kbps 256-byte FIFO on each port TXD, RXD, CTS, DTR, DSR, DCR, and RI Installation Instructions Hardware Setup
and look under "Ports (COM & LPT)." You should see two new entries listed as "WCH PCI Express" or "PCI Serial Port". Troubleshooting Download Driver Dex Dp-19 -UPD-
This guide provides a step-by-step walkthrough to safely download, install, and troubleshoot the . : Windows 11/10/8
Confirm the driver is working: