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    SubjectRe: [RFC] ATA host-protected area (HPA) device mapper?
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    > The simple solution is: you never boot from the hard disk, but from a
    > physically write protected device (write protected floppy, non writeable
    > CD or CDRW in a non writing CDROM drive, USB thumb drive with a physical
    > write protect switch).


    that's not totally fool proof either; after all an attacker can adjust
    the nvram to change the boot device order.



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