windows - Find which drive corresponds to which USB mass storage device in WinXP - Stack Overflow

Edit: @MSalters' answer looks promising: On XP, HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices has REG_BINARY values \DosDevices\x: (where x is [A-Z]); the comment is (UTF-16) name of the correct device (e.g. \DosDevices\A: = "\??

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