The CH351Q usually uses the same driver package as the CH38X series. Download the CH38XDRV.EXE package , which supports Windows 11/10/8/7 (32/64-bit).
Up to 1.5 Mbytes/sec depending on the configured mode.
a high-performance PCI-based chip used to add an IEEE 1284 parallel port to your computer ch351q parallel port driver
The CH351Q is a high-performance from WCH. It acts as a bridge between the PCI bus of the motherboard and external peripheral ports.
Extract the contents of the CH35XDRV.ZIP folder using a tool like 7-Zip. Press Win + X and open . The CH351Q usually uses the same driver package
The primary difference is the physical package and driver support. The CH351Q comes in a smaller, more modern LQFP-64 package, which is cheaper. More importantly, the CH351Q drivers are WHQL-certified and natively support 64-bit versions of Windows 7, 8, and 10, whereas the older CH351L drivers do not.
The CH351Q works on Windows 10, but some generic clones may require special driver signing. Use the official CH38XDRV.EXE (version 1.5 or newer). a high-performance PCI-based chip used to add an
Because the CH351Q operates on the PCI bus, Windows dynamically assigns a random high-range I/O memory address (e.g., 0xDF00 or 0xE080 ). Mapping the CH351Q to Custom Base Addresses
