: Built-in 256-byte FIFO on each port for stable data transmission. 5. Troubleshooting Common Issues
If the device has a yellow exclamation mark, try right-clicking it, selecting , and choosing "Search automatically for updated driver software." 3. Troubleshooting Driver Issues
: Right-click the device in Device Manager -> Go to Properties -> Select the Port Settings tab -> Click Advanced -> Change the LPT Port Number dropdown menu to LPT1 . Click OK and restart the computer. Issue 3: Missing Digital Signature Errors (Windows 10/11) wch ch382l parallel port driver download
file. Follow the on-screen prompts to complete the installation. Manual Update (If needed): Device Manager devmgmt.msc , and hit Enter). Find the entry labeled PCI Serial Port PCI Parallel Port with a yellow exclamation mark. Right-click it, select Update Driver , and choose "Browse my computer for drivers"
Find the entry labeled "PCI Parallel Port" (often marked with a yellow exclamation mark). : Built-in 256-byte FIFO on each port for
I can provide specific troubleshooting steps or direct file paths based on your setup. Share public link
For hardware configuration and pinout details, you can download the CH382 Datasheet (PDF) specific address configuration for use with legacy software or LinuxCNC? CH38XDRV.EXE - Nanjing Qinheng Microelectronics Co., Ltd. Troubleshooting Driver Issues : Right-click the device in
Turn off your PC, reseat the card firmly into the PCIe slot, and reinstall the latest driver package using administrative privileges. Parallel Port Number Conflict