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Toshiba Corporation Digital Media Network Company
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10.8.31.4 Set Max Unlock
F9h with the content of the Features register equal to 03h.
COMMAND CODE
1 1 1 1 1 0 0 1
REGISTER
REGISTER SETTING NORMAL COMPLETION
DR DRIVE No. no change
CY no change
HD no change
SN no change
SC no change
FT 03
H
no change
LBA no change
This command is not immediately preceded by a READ NATIVE MAX ADDRESS command. If this command is
immediately preceded by a READ NATIVE MAX ADDRESS command, it shall be interpreted as a SET MAX
ADDRESS command.
This command requests a transfer of a single sector of data from the hostTable 10.8-7 defines the content of this
sector of information.
The password supplied in the sector of data transferred shall be compared with the stored SET MAX password.
If the password compare fails, then the device returns command aborted and decrements the unlock counter.
On the acceptance of the SET MAX LOCK command, this counter is set to a value of five and shall be
decremented for each password mismatch when SET MAX UNLOCK is issued and the device is locked. When
this counter reaches zero, then the SET MAX UNLOCK command shall return command aborted until a power
cycle.
If the password compare matches, then the device shall make a transition to the Set_Max_Unlocked state and
all SET MAX commands shall be accepted.
10.8.31.5 Set Max Freeze Lock
F9h with the content of the Features register equal to 04h
COMMAND CODE
1 1 1 1 1 0 0 1
REGISTER
REGISTER SETTING NORMAL COMPLETION
DR DRIVE No. no change
CY no change
HD no change
SN no change
SC no change
FT 04
H
no change
LBA no change
A SET MAX SET PASSWORD command shall previously have been successfully completed. This command is
not immediately preceded by a READ NATIVE MAX ADDRESS command. If this command is immediately
preceded by a READ NATIVE MAX ADDRESS command, it is interpreted as a SET MAX ADDRESS command.
The SET MAX FREEZE LOCK command sets the device to Set_Max_Frozen state. After command completion
any subsequent SET MAX commands are rejected.
Commands disabled by SET MAX FREEZE LOCK are:
− SET MAX ADDRESS
− SET MAX SET PASSWORD
− SET MAX LOCK
− SET MAX UNLOCK