ACR39U
USB ID 072f:b100 · Advanced Card Systems, Ltd
| Vendor | Advanced Card Systems, Ltd |
|---|---|
| Vendor ID | 072f |
| Device ID | b100 |
| Windows hardware ID | USB\VID_072F&PID_B100 |
| Linux modalias | usb:v072FpB100 |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 072f:b100?
USB ID 072f:b100 is “ACR39U” made by Advanced Card Systems, Ltd (vendor ID 072f, device ID b100).
Which Linux driver supports ACR39U?
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 ACR39U is in my computer?
On Linux, lsusb -d 072f:b100 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_072F&PID_B100.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.