: Corechip SR9900 USB 2.0 to Fast Ethernet Adapter.
. This device is a compact network adapter used to provide a wired 10/100 Mbps Ethernet connection to computers lacking a built-in RJ45 port, such as modern thin laptops or tablets. Arch Linux Forums Hardware Identity Vendor ID (VID): (Associated with ICS Advent Product ID (PID): (Identified as the Manufacturer: CoreChips. Device Class: 10/100M Fast Ethernet. Driver Compatibility
The hardware identifiers refer to the Corechip SR9900 USB 2.0 to Fast Ethernet Adapter
For Linux users, this device is usually plug-and-play. The kernel module dm9601 has been stable for years. It registers as a standard eth0 (or enp0s... ) interface. usb vid-0fe6 amp-pid-9900
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Usually deployed on a compact QFN-24 integrated circuit chip inside plastic or aluminum adapter shells.
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. : Corechip SR9900 USB 2
Supports "Wake-on-LAN" (Microsoft Wake-Up Frame) and IPv6 protocols while in low-power states. Common Use Cases
Direct the file wizard to your extracted folder to complete installation. Cross-Platform Operating System Support Operating System Compatibility Status Required Action / Support Notes Native / Plug-and-Play
The same principles apply. Search the VID first to find the manufacturer, then the PID to isolate the exact product. Arch Linux Forums Hardware Identity Vendor ID (VID):
0FE6:9900 dongles are notoriously fragile. Symptoms of hardware death include:
Modern Linux kernels include native support for a vast range of USB network controllers, but the SR9900 can be hit-or-miss depending on your distribution. While standard desktop distributions like Debian or Ubuntu may recognize the hardware footprint as an ICS Advent USB 10/100 LAN interface, lightweight or embedded distros—such as —frequently lack the necessary pre-compiled kernel modules out of the box. If you plan to use this adapter for a DIY router or a Raspberry Pi project, you may need to manually compile the driver module from source code repositories. macOS & Android
Here is why this cheap, ubiquitous chip deserves a moment in the spotlight—and why it might be causing you headaches.