and Windows 11 typically download the driver automatically via Windows Update . For older systems (XP, Vista, Win 7), manual installation of the Corechip SR9900
0FE6 identifies the chip manufacturer. This code corresponds to Kontron (Taiwan) Co., Ltd. (historically associated with DM9601 or similar core logic).
When combined, indicates a CoreChip SR9900 USB 2.0 To Fast Ethernet Adapter . Common Uses for This Hardware usb vid-0fe6 amp-pid-9900
Some users have reported random disconnections on Linux, even though the device remains visible in the lsusb command. This is often related to the USB power management (autosuspend) settings. You can often fix this by creating a udev rule to disable autosuspend for the device.
Some users have reported issues with this adapter randomly disconnecting and reconnecting on Linux. While rare, a common solution is to for the USB port or the device itself. A known workaround is to disable Wi-Fi while using the Ethernet connection, which can sometimes resolve conflicts. Ensuring your system's power settings (like TLP on laptops) are not suspending the USB port is also recommended. and Windows 11 typically download the driver automatically
: Usually automatically detected as a "Corechip" or "RD9700" device. If it fails, users often look for "SR9900" or "QF9700" driver packages.
: This hexadecimal code points back to the registered manufacturer of the internal controller chip, Corechip (sometimes listed under associated semiconductor distributors or sub-vendors). (historically associated with DM9601 or similar core logic)
Unzip the file and run setup.exe or update the driver manually through Device Manager. Restart your computer. Advantages of Using the SR9900 Adapter Go to product viewer dialog for this item.
The presence of this hardware ID in many developer forums indicates its widespread use, particularly among hobbyists and system integrators.