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C141-E112-01EN 5 - 67
(36-4) SET MAX UNLOCK (F9)
This command requests a transfer of a single sector of data from the host.
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 will be accepted.
At command issuance (I/O registers setting contents)
1F7
H
(CM) 11111001
1F6
H
(DH) 1 L 1 DV xx
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
xx
xx
xx
xx
1F1
H
(FR)
00000011
At command completion (I/O registers contents to be read)
1F7
H
(ST) Status information
1F6
H
(DH) 1 L 1 DV xx
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
xx
xx
xx
xx
1F1
H
(ER)
Error information
(36-5) SET MAX FREEZE LOCK (F9)
This 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: