Fujitsu MHT2020AT Product Manual page 160

Interface
SECURITY ERASE UNIT
FROZEN MODE is canceled when the power is turned off, or when hardware is
reseted. If this command is reissued in FROZEN MODE, the command is
completed and FROZEN MODE remains unchanged.
Issuing this command during LOCKED MODE returns the Aborted Command
error.
The following medium access commands return the Aborted Command error
when the device is in LOCKED MODE:
READ DMA (EXT)
READ LONG
READ MULTIPLE (EXT)
READ SECTORS
READ VERIFY SECTORS
WRITE DMA (EXT)
WRITE LONG
WRITE MULTIPLE (EXT)
WRITE SECTORS (EXT)
WRITE VERIFY
SECURITY DISABLE PASSWORD
SECURITY FREEZE LOCK
SECURITY SET PASSWORD
SET MAX ADDRESS (EXT)
FLUSH CACHE (EXT)
DCO RESTORE
DCO SET
SET MAX ADDRESS (EXT)
1F7 (CM)
h
1F6 (DH)
h
1F5 (CH)
h
1F4 (CL)
h
5-86
At command issuance (I-O register contents)
1 1 1
x x x
xx
xx
1 0 1 0
DV xx
1
C141-E192-01EN