RTS5139 Card Reader Controller

USB ID 0bda:0139 · Realtek Semiconductor Corp.

VendorRealtek Semiconductor Corp.
Vendor ID0bda
Device ID0139
Windows hardware IDUSB\VID_0BDA&PID_0139
Linux modaliasusb:v0BDAp0139
Linux driverrtsx_usb

Frequently asked questions

Which device has USB ID 0bda:0139?

USB ID 0bda:0139 is “RTS5139 Card Reader Controller” made by Realtek Semiconductor Corp. (vendor ID 0bda, device ID 0139).

Which Linux driver supports RTS5139 Card Reader Controller?

In Linux kernel 6.12 the device is bound to the driver rtsx_usb (source under drivers/misc/cardreader). The driver is normally loaded automatically when the device is detected.

How do I check whether RTS5139 Card Reader Controller is in my computer?

On Linux, lsusb -d 0bda:0139 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_0BDA&PID_0139.

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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