XR22804 Hub
USB ID 04e2:0804 · Exar Corp.
| Vendor | Exar Corp. |
|---|---|
| Vendor ID | 04e2 |
| Device ID | 0804 |
| Windows hardware ID | USB\VID_04E2&PID_0804 |
| Linux modalias | usb:v04E2p0804 |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 04e2:0804?
USB ID 04e2:0804 is “XR22804 Hub” made by Exar Corp. (vendor ID 04e2, device ID 0804).
Which Linux driver supports XR22804 Hub?
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 XR22804 Hub is in my computer?
On Linux, lsusb -d 04e2:0804 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_04E2&PID_0804.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.