Even with the correct JP1081B USB LAN driver, issues can arise. Here is how to fix them.
Solution: This is often a motherboard firmware bug or a faulty USB 3.0 host controller.
Skip the CD. CDs contain outdated v1.0 drivers. Download v2.1.5.0 or newer from the chipset repository links provided above. Never trust random "Driver Updater" software that claims to find it—those are usually malware. jp1081b usb lan driver
Apple has been tightening security on Kernel Extensions (kexts). The JP1081B may not work natively on macOS 12+ without disabling SIP (System Integrity Protection), which is not recommended for average users.
If your adapter requires this chipset on macOS: Even with the correct JP1081B USB LAN driver,
Warning: Many users report that the JP1081B is unstable on macOS Ventura and later. Consider replacing it with a native ASIX chipset adapter for Mac.
Because these adapters are generic, the specific "JP1081B" driver is rarely found on a manufacturer's website. Instead, you need the RD9700 Driver. Warning: Many users report that the JP1081B is
For Windows 10 and Windows 11: Most modern versions of Windows 10 and 11 have this driver built into the operating system. If you plug it in and it doesn't work:
For Windows 7, 8, and XP: You will likely need to download the driver manually. Search for "Corechip RD9700 USB2.0 to Fast Ethernet Adapter Driver".
Even with the correct jp1081b usb lan driver, issues can arise. Here is the troubleshooting flowchart.
✅ Many JP1081B adapters work with Linux’s
sr9700ordm9601drivers.