![]() ![]() First of all, try to find such utility and / or firmware on the manufacturer’s website. Some manufacturers release special utilities for flashing the controller of USB drives. You can do this directly (which is quite risky because of the differences in the device-specific hardware implementations, and not always possible), or indirectly – by replacing the response of a USB device using a special driver, which allows to filter out the information in the device response. Thus, in order to convert the USB-flash to the hard disk it is enough to modify this descriptor. If the system determines that RMB=1 when polling the connected device using StorageDeviceProperty function, it concludes that this device is a removable drive. Contents.RMB bit and USB drivesWindows recognizes USB flash drives as removable devices due to the presence of a special descriptor bit RMB (removable media bit) on each of the devices. Windows supports multiple partitions only for hard disk drives identified as local (i.e. And even if you partition the USB flash drive into two or more volumes using third-party utilities (say, in Linux), only the first partition will be available in Windows. ![]() Probably, you may ask why it’s necessary? The matter is that by default Windows identifies all the USB flash drives and SD cards as removable drives that can’t be split into several partitions with the built-in Windows tools. In this article we’ll show you how to make a USB flash drive or an SD card to be identified in the Windows as a common local hard disk.
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