You typically see under one of these nodes:
For years, Realtek did not release open-source drivers for these card readers. The Linux community had to reverse-engineer them. In modern Linux kernels (4.x and above), the driver is usually built-in.
The reason you usually see "MTD" attached to this name is due to how the Linux kernel handles it. realtek semiconductor corp mtd
If the device appears in your device list but inserting an SD card does nothing:
This entry is most commonly seen in or in hardware monitoring tools. It almost always refers to the hardware component responsible for the SD Card Reader on your laptop or desktop motherboard. You typically see under one of these nodes:
If you encounter errors like "Realtek Semiconductor Corp. MTD - Error 0x80246013" or the update fails to install, try these steps:
If you are looking up this entry because your SD card is not working, here are the common issues and solutions: The reason you usually see "MTD" attached to
In Windows Device Manager, this will simply appear as a "Storage Controller" or "Realtek PCIE CardReader." It does not use the term MTD. Windows requires proprietary drivers usually provided by the laptop manufacturer or Realtek.