Am 09.02.2012 15:49, schrieb Alexander Graf: > > On 09.02.2012, at 15:28, Kevin Wolf wrote: > >> Am 30.01.2012 23:29, schrieb Alexander Graf: >>> When using Windows 8 with an AHCI disk drive, it issues a blue screen. >>> The reason is that WIN_SECURITY_FREEZE_LOCK / CFA_WEAR_LEVEL is not >>> supported by our ATA implementation, but Windows expects it to be there. >> >> Is there anything that makes Windows believe that we support it? The >> spec says bits in IDENTIFY word 82 and 128 must be set to indicate >> support for the security feature set, and we don't set those. >> >> Might be just a Windows bug, of course... > > IIUC it's mandatory in more recent ATA versions, so that's probably why it > assumes it's there.
ACS-2 says it's optional for both ATA and ATAPI devices. Kevin
