https://www.slideshare.net/tetsutalow/ss-50411457/8
カリフォルニア大学サンディエゴ校の 磁気記録研究センター(UCSD CMRR)の Secure Erase Utilityを使う
ISOファイルがあるので焼いてブート
http://cmrr.ucsd.edu/people/Hughes/secure-erase.html
HDDerase.exe is a DOS-based utility that securely erases "sanitizes" all data
on ATA hard disk drives in Intel architecture computers (PCs). It offers the
option to run the drive internal secure erase command, security erase unit,
based on the ATA specification by the T13 technical committee.
めも、未検証