1. boot linux from usb key using grub-efi
2. run 'hdparm -I /dev/sda'
3. see that the disk security is frozen
4. put mba to sleep
5. resume from sleep
6. run 'hdparm -I /dev/sda' again
7. see that the disk security is not frozen
8. follow instructions from tinyapps.org/docs/wipe_drives_hdparm.html
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