Fujitsu MHV2060AT Product Manual page 136

Interface
bit. After execution of this command, the settings are kept for the device power
down or reset.
If the restriction of Multiword DMA modes or Ultra DMA modes is executed, a
SET FEATURES command should be issued for the modes restriction prior the
DEVICE CONFIGURATION SET command is issued.
When the Automatic Acoustic Management function is assumed to be
unsupported, Automatic Acoustic Management is prohibited beforehand by SET
FEATURES command (FR=C2h).
If a DEVICE CONFIGURATION SET command has already modified the
original settings as reported by a DEVICE CONFIGURATION IDENTIFY
command, if DEVICE CONFIGURATION FREEZE LOCK is set, if any of the
bit modification restrictions described are violated, or if a Host Protected Area has
been established by the execution of a SET MAX ADDRESS (EXT) command, an
aborted error is posted.
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