The CH382SSP-1107 identification typically refers to hardware components built on the WCH (Jiangsu Qinheng Microelectronics) CH382 chip. This chip is a dual-serial and single-parallel port controller connected via a PCI-Express interface. If you recently upgraded to Windows 10 or installed a new PCIe expansion card, your operating system might flag this device with a yellow exclamation mark in the Device Manager, signaling a missing driver.
shows "PCI Serial Port" or "Unknown Device" with a warning icon.
The driver is not limited to Windows 10. The official WCH driver package is designed for excellent cross-platform support. It is fully compatible with Windows 11, 8.1, 8, 7, and even legacy versions like Windows XP, Vista, and 98. It also supports server versions from 2003 all the way to 2025. For Linux users, the kernel often includes native support for these chips (with the 8250_pci driver), though some configuration might be needed for parallel port functionality. ch382ssp-1107 driver windows 10
Fully compatible with Windows 11, Windows 10, 8.1, 8, 7, and various Windows Server versions (32/64-bit). Nanjing Qinheng Microelectronics Co., Ltd. Downloading the Windows 10 Driver
Windows may assign high COM port numbers (e.g., COM20) which some legacy software does not support. To change the COM port number: shows "PCI Serial Port" or "Unknown Device" with
: If the automatic installer fails, right-click the "PCI Serial Port" with a yellow exclamation mark in Device Manager. Select Update Driver Browse my computer
Finding the correct driver for the CH382SSP-1107 (often part of the It is fully compatible with Windows 11, 8
This suffix is likely a manufacturer-specific revision or batch code and does not affect the driver. Any CH382-based card should use the same CH38XDRV driver package.
You should now see . 4. Troubleshooting Common CH382 Driver Issues If the driver still does not work, try these steps: A. Driver Signature Enforcement
The chip, specifically the CH382SSP-1107 variant, is a popular dual-serial/parallel port expansion chip used in various PCIe cards, motherboards, and embedded systems. Designed by WCH (Nanjing Qinheng Microelectronics), it acts as a bridge between the PCIe bus and traditional UART serial or parallel interfaces.
If you have installed a PCIe card featuring the CH382/CH384 chipset on a Windows 10 machine, you may find that the device is not automatically recognized, appearing instead as a "PCI Serial Port" with a yellow exclamation mark in Device Manager.