This is the most modern chipset from CoreChips ShenZhen and features a dedicated Windows 11 Driver available on their official download page. It is often found in newer USB 2.0 to Fast Ethernet adapters.
Find the "Unknown Device" or the adapter under . Right-click it > Properties > Details tab.
Many RD9700 adapters are marketed as USB 2.0 but actually operate at USB 1.1 speeds (roughly 5–7 Mbps), which is significantly slower than standard 10/100 Ethernet. corechip semiconductor usb to ethernet driver windows 11 top
If the connection is unstable, try disabling "Energy Efficient Ethernet" in the adapter's Properties > Advanced tab in Device Manager.
Click and navigate to the folder where you extracted the downloaded driver (look for the .inf file, such as rd9700.inf ). Follow the prompts to finish the installation. Troubleshooting and Performance Tips This is the most modern chipset from CoreChips
If manual installation fails, automated tools like DriverMax or DriverHub maintain databases for these specific legacy Corechip IDs.
Select from the dropdown. Common Corechip IDs include USB\VID_0FE6&PID_9700 and USB\VID_0FE6&PID_9900 . Download the Correct Driver: For SR9900 : Use the official CoreChips ShenZhen site. Right-click it > Properties > Details tab
If your adapter shows as an "Unknown Device" in , follow these steps for manual installation: Identify Your Hardware ID: Right-click the Start button and select Device Manager .
These are common in budget adapters. While officially dated, version 1.7.0.0 (July 2021) is reported as compatible with Windows 11 by third-party databases like Treexy and Outbyte . How to Install Corechip Drivers on Windows 11