On Friday, November 20, 2015 05:46:18 PM Mauro Santos wrote: > Not really, BIOS is old and it doesn't know anything about OPAL drives. > I don't know about UEFI machines but I suspect not many know about > SEDs/OPAL either. By BIOS, I meant UEFI, sorry about that. My UEFI is from 2013 (Dell Latitude) and it knows enough about SEDs. I use SSDs and I use Hardware Based Encryption with it (Samsung 850 Evo). > On the other hand, you don't know what kind of treatment the BIOS would > do to the password before sending it to the SED, one bios could send it > plaintext, others could send key scancodes, you don't want to get > anywhere near that kind of nonsense. This would mean that you might not > be able to unlock the disk if you move it to another machine. That is something I have never paid any attention to. But I can set a password through the linux's hdparm utility, and then you can unlock it from the the BIOS and vice-versa. So, I think that makes it standard enough, but not sure. -- Cheers Jayesh Badwaik Center for Applicable Mathematics Tata Institute of Fundamental Research