MMC/SD Reader
USB ID 07c4:b004 · Datafab Systems, Inc.
| Vendor | Datafab Systems, Inc. |
|---|---|
| Vendor ID | 07c4 |
| Device ID | b004 |
| Windows hardware ID | USB\VID_07C4&PID_B004 |
| Linux modalias | usb:v07C4pB004 |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 07c4:b004?
USB ID 07c4:b004 is “MMC/SD Reader” made by Datafab Systems, Inc. (vendor ID 07c4, device ID b004).
Which Linux driver supports MMC/SD 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 MMC/SD Reader is in my computer?
On Linux, lsusb -d 07c4:b004 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_07C4&PID_B004.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.