Compact Flash Reader

USB ID 55aa:b200 · OnSpec Electronic, Inc.

VendorOnSpec Electronic, Inc.
Vendor ID55aa
Device IDb200
Windows hardware IDUSB\VID_55AA&PID_B200
Linux modaliasusb:v55AApB200
Linux driverno driver with exact ID

Frequently asked questions

Which device has USB ID 55aa:b200?

USB ID 55aa:b200 is “Compact Flash Reader” made by OnSpec Electronic, Inc. (vendor ID 55aa, device ID b200).

Which Linux driver supports Compact Flash Reader?

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 Compact Flash Reader is in my computer?

On Linux, lsusb -d 55aa:b200 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_55AA&PID_B200.

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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