This repository contains tools for HDD firmware extraction.
more here.........https://github.com/eurecom-s3/hdd_firmware_tools
and here...........http://www.s3.eurecom.fr/~zaddach/docs/Recon14_HDD.pdf
more here.........https://github.com/eurecom-s3/hdd_firmware_tools
and here...........http://www.s3.eurecom.fr/~zaddach/docs/Recon14_HDD.pdf