AtermIT21L 128K Support Standard
USB ID 0409:00a9 · NEC Corp.
| Vendor | NEC Corp. |
|---|---|
| Vendor ID | 0409 |
| Device ID | 00a9 |
| Windows hardware ID | USB\VID_0409&PID_00A9 |
| Linux modalias | usb:v0409p00A9 |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 0409:00a9?
USB ID 0409:00a9 is “AtermIT21L 128K Support Standard” made by NEC Corp. (vendor ID 0409, device ID 00a9).
Which Linux driver supports AtermIT21L 128K Support Standard?
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 AtermIT21L 128K Support Standard is in my computer?
On Linux, lsusb -d 0409:00a9 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_0409&PID_00A9.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.
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