Usb Rmd-fdd 'link'

Historically, older BIOS versions used this specific designation to distinguish between different types of USB-connected media:

This is the specific legacy technology being emulated. The Floppy Disk Drive was the primary method of data transfer and booting operating systems for nearly two decades (1970s–1990s). usb rmd-fdd

A USB device that identifies itself to the computer as a traditional, removable floppy disk drive. usb rmd-fdd

: Ensure the USB stick is formatted with a FAT16 or FAT32 file system, as older RMD-FDD modes cannot read NTFS. usb rmd-fdd

which one should i choose to boot my usb drive - Microsoft Q&A