Linux-USB CDC Composite Gadge (Ethernet and ACM)
USB ID 0525:a4aa · Netchip Technology, Inc.
| Vendor | Netchip Technology, Inc. |
|---|---|
| Vendor ID | 0525 |
| Device ID | a4aa |
| Windows hardware ID | USB\VID_0525&PID_A4AA |
| Linux modalias | usb:v0525pA4AA |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 0525:a4aa?
USB ID 0525:a4aa is “Linux-USB CDC Composite Gadge (Ethernet and ACM)” made by Netchip Technology, Inc. (vendor ID 0525, device ID a4aa).
Which Linux driver supports Linux-USB CDC Composite Gadge (Ethernet and ACM)?
Linux kernel 6.12 lists no driver for this exact ID. Most USB devices (keyboards, mice, storage, webcams, audio) still work through generic class drivers such as usbhid, usb-storage, uvcvideo or snd-usb-audio. Overview of device classes and their drivers
How do I check whether Linux-USB CDC Composite Gadge (Ethernet and ACM) is in my computer?
On Linux, lsusb -d 0525:a4aa shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_0525&PID_A4AA.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.