On Tue, Oct 01, 2019 at 08:03:50PM -0700, David Christensen wrote: [...] > >How could this drive be physically protected from writing to it when > >there is no switch on the drive itself to unable (or release) such > >physical protection? > > > >Regards, Ken > > I have read that some USB flash drives will revert to read-only mode > when they detect an internal error [...] Yep. Never forget -- there's a whole computer with its own OS in your flash drive. That "write protect" (sometimes) available as a physical switch is just communicated to your drivers via some protocol over USB. Cheers -- t
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