or use the WHQL-certified version available on the WCH site. Nanjing Qinheng Microelectronics Co., Ltd. CH38XDRV.EXE - Nanjing Qinheng Microelectronics Co., Ltd.
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-
is a PCI Express (PCIe) expansion card designed to add two RS-232 serial ports (DB9) to a computer. To download the official drivers for this device, you should look for software compatible with the WCH CH382L chipset, which powers this model. Official Driver Download or use the WHQL-certified version available on the WCH site