Generally compatible with macOS (10.6+), Linux (kernel 4.15+), and ChromeOS. How to Download and Install the Driver
The "21" in likely refers to version 21.x of the NDIS 6.0 driver for these chipsets. It is not a driver version number from Microsoft but rather a build number from the chip manufacturer (Corechip or Realtek). Driver 21 is particularly important because it:
The JP1081B network card bridges the gap between older USB architectures and local area networks. Understanding its core physical limitations helps manage data transfer expectations:
The download will likely be a .zip file containing a .sys driver file and an .inf information file. 4. Installation Guide (Windows 10/11/7/8) jp1081b usb lan driver 21
Right-click your unconfigured JP1081B adapter and click . Select Browse my computer for drivers .
Click and point to the extracted driver folder containing the .inf file. Select the RD9700 or JP1081 model from the list. 4. Troubleshooting Common Issues
: Corechip Semiconductor RD9700 or Davicom DM9601 Vendor ID (VID) : 0FE6 Product ID (PID) : 9700 Generally compatible with macOS (10
| Feature | JP1081B | Realtek RTL8152B | ASIX AX88772A | |----------------------|-------------|------------------|-------------------| | Max Speed | 100 Mbps | 100 Mbps | 100 Mbps | | USB Version | USB 2.0 | USB 2.0 | USB 2.0 | | Driver Support (Win 11) | Good (v21+) | Excellent | Good | | Linux Support | Moderate | Excellent | Native | | Price | Very Low | Low | Medium |
Despite the driver headaches, the JP1081b remains a best-seller. Why? Because it works—eventually.
While many modern systems detect the adapter automatically, older or specific versions often require manual driver installation. Driver 21 is particularly important because it: The
Below is a technical guide formatted for a paper or instructional report. 1. Device Identification
may not have "in-box" drivers. Without the proper driver, your device may show up as "Unknown Device" in Device Manager, or the network connection may not work.